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Old 17th October 2018, 02:24 PM   #1
Sol88
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The Electric Comet Theory Part IV/SAFIRE

Originally Posted by jonesdave116 View Post
Subsurface properties and early activity of comet 67P/Churyumov-Gerasimenko
Gulkis, S. et al.
http://science.sciencemag.org/content/347/6220/aaa0709



Tensile strength of 67P/Churyumov–Gerasimenko nucleus material from overhangs
Attree, N. et al.
https://www.aanda.org/articles/aa/pd...aa32155-17.pdf



Gravitational slopes, geomorphology, and material strengths of the nucleus of comet 67P/Churyumov-Gerasimenko from OSIRIS observations.
Groussin, O. et al.
https://www.aanda.org/articles/aa/ab...a26379-15.html

See Table 1.

Constraints on cometary surface evolution derived from a statistical analysis of 67P’s topography
Vincent, J.-B. et al.
https://academic.oup.com/mnras/artic...2/S329/3930861



Thermal inertia and roughness of the nucleus of comet 67P/Churyumov-Gerasimenko from MIRO and VIRTIS observations.
Marshall, D. et al.
https://boris.unibe.ch/118280/1/aa33104-18.pdf



Thermal and mechanical properties of the near-surface layers of comet 67P/Churyumov-Gerasimenko.
Spohn, T. et al.
https://www.semanticscholar.org/pape...5a1c445e3b00e3



Structure and elastic parameters of the near surface of Abydos site on comet 67P/Churyumov–Gerasimenko, as obtained by SESAME/CASSE listening to the MUPUS insertion phase.

Look at the strengths measured, and then refer back to the post by The Man, here;
http://www.internationalskeptics.com...postcount=1448

Properties of the 67P/Churyumov-Gerasimenko interior revealed by CONSERT radar
Kofman, W. et al.
http://science.sciencemag.org/content/349/2/aab0639

Note the permittivity value of 1.27. Also note that the permittivity of vacuum is 1. And then refer to this;

https://www.engineeringtoolbox.com/r...ty-d_1660.html

And this;2

And this;

https://gpg.geosci.xyz/content/physi...ivity-minerals

And this;

https://gpg.geosci.xyz/content/physi...ttivity-frozen


The Deep Impact crater on 9P/Tempel-1 from Stardust-NExT
Schultz, P. H. et al.
https://www.sciencedirect.com/scienc...19103512002473




Then go and look for an online crater calculator, and see how big the crater would be in rock, for an object of ~ 370 kg, and an impact speed of ~ 10 km/s.


In summary, there is not a single shred of evidence for rock, and an absolute shed load that says that it isn't. Therefore, anybody who is suggesting it is rock is either lying, scientifically illiterate, or brainwashed by neo-Velikoskian con artists. Or a combination of all three.
Great compilation jd116!

Now, i’m just happy that we can all call the CONSOLIDATED material ROCK, not ACTUAL ROCK mind you, as Reality Check states (We have a mixture of ices and dust with high porosity in a low gravity environment. That mixture does not exist n Earth. We want a name for it. So we use terms like rock, bedrock, boulder, stone, etc. keeping in mind that that they are not actual rock, bedrock, boulder, stone, etc.) but just kinda rocky looking, so we’ll call it rock even when we ALL know it’s not actual rock.

But there is an electric field centred on a cometary nucleus.

Is this electric field strong enough to lift dust odd in jets jd116?
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Old 17th October 2018, 05:05 PM   #2
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Question Confirm that you are stating that you agree that comets are not made of ACTUAL ROCK

Originally Posted by Sol88 View Post
Now, i’m just happy that we can all call the CONSOLIDATED material ROCK, not ACTUAL ROCK mind you, as Reality Check states
Please confirm that you are stating that you agree that comets are not made of ACTUAL ROCK.

Otherwise we are back to yet more detailing from your electric comets insanity.

Last edited by Reality Check; 17th October 2018 at 05:09 PM.
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Old 17th October 2018, 05:17 PM   #3
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Thumbs down Repeats his "electric field centred on a cometary nucleus" lie from yesterday

Originally Posted by Sol88 View Post
But there is an electric field centred on a cometary nucleus.

Is this electric field strong enough to lift dust odd in jets jd116?
18 October 2018: Repeats his "electric field centred on a cometary nucleus" lie from yesterday when there is no evidence of such a field.

18 October 2018: Stupidity that jets are dust lifted by his imaginary electric field centered in the nucleus.
Jets are gas, ice and dust grains. Jets are created by sublimating ices whose gas lifts ice and dust grains from the surface. Jets are jets generally because they are shaped by surface features such as pits (we have images of jets issuing from pits!) and have traced them back to fissured cliffs.

Jets are comets with high activity while a comet is close to the Sun with a coma. There are no surface electrostatic fields because the surface is shielded from the solar wind.

17 October 2018: A "electric field centred on the rocky nucleus" lie and usual derail form his electric comet inanity
Quote:
There is no evidence of an electric field centered on any comet nucleus. There are the measured electric fields inside comet coma generally from the interaction of the solar wind with the gas from sublimating ices on the nucleus. There is proposed electrostatic electric fields over the surface of comes comets only at low activity far from the Sun. These shift dust and ice grains across the surface and lift them above the surface.
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Old 17th October 2018, 10:10 PM   #4
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Originally Posted by Reality Check View Post
Please confirm that you are stating that you agree that comets are not made of ACTUAL ROCK.

Otherwise we are back to yet more detailing from your electric comets insanity.
Sure, what else would you call it?? coco pops?

So we call it rock.
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Old 17th October 2018, 10:31 PM   #5
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Originally Posted by Reality Check View Post
18 October 2018: Repeats his "electric field centred on a cometary nucleus" lie from yesterday when there is no evidence of such a field.

18 October 2018: Stupidity that jets are dust lifted by his imaginary electric field centered in the nucleus.
Jets are gas, ice and dust grains. Jets are created by sublimating ices whose gas lifts ice and dust grains from the surface. Jets are jets generally because they are shaped by surface features such as pits (we have images of jets issuing from pits!) and have traced them back to fissured cliffs.

Jets are comets with high activity while a comet is close to the Sun with a coma. There are no surface electrostatic fields because the surface is shielded from the solar wind.

17 October 2018: A "electric field centred on the rocky nucleus" lie and usual derail form his electric comet inanity
for real?
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Old 17th October 2018, 11:14 PM   #6
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Originally Posted by Sol88 View Post
Now, i’m just happy that we can all call the CONSOLIDATED material ROCK, not ACTUAL ROCK mind you, as Reality Check states ([url="http://www.internationalskeptics.com/forums/showpost.php?"[/url])
A few days ago I asked you if you still claim that comets are made of rock, and you said 'yes'. Now you are saying it is not actual rock, but you just choose to call it rock. These are mixed signals indeed.

So, are you still claiming that comets are made of actual rock, or have you modified your claim to be that comets are made of something else that you choose to call rock?
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Old 18th October 2018, 01:29 AM   #7
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Nah, yeah you’ve confabulated it stinky!

What I said is comets are rock but not really knowing the Rosetta mob didn’t have a name for a mixture of ices and dust. So reality check said we, the Royal we, call it rock for WANT of a better term.

So we call comets rock but not actual fair dinkum bona fide true blue rock but a highly porous mixture of ices and dust with a soft fluffy outer layer, a hard crunchy shell and the reminder of said ice and dust mix.

Some said this mix contained MOSTLY ice but data appears to say MOSTLY dust.

So just for ease of conversation we’ll all call it rock as but not actual rock. It’s seems it was just an unfortunate use of the the term that our understanding of cometary nuclei is evolving mostly toward ROCK along with this CONSOLIDATED MATERIAL or BEDROCK and FRACTURED LAYERED TERRAIN. So you see rock is just easier to write 4 letters.

But we don’t mean actual rock, bedrock, consolidated material with fractured and layered terrain.

Now steenkth, are you aware of the electric field centred on the rocky nucleus?
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Old 18th October 2018, 02:05 AM   #8
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Originally Posted by Sol88 View Post
Nah, yeah you’ve confabulated it stinky!

What I said is comets are rock but not really knowing the Rosetta mob didn’t have a name for a mixture of ices and dust. So reality check said we, the Royal we, call it rock for WANT of a better term.

So we call comets rock but not actual fair dinkum bona fide true blue rock but a highly porous mixture of ices and dust with a soft fluffy outer layer, a hard crunchy shell and the reminder of said ice and dust mix.

Some said this mix contained MOSTLY ice but data appears to say MOSTLY dust.

So just for ease of conversation we’ll all call it rock as but not actual rock. It’s seems it was just an unfortunate use of the the term that our understanding of cometary nuclei is evolving mostly toward ROCK along with this CONSOLIDATED MATERIAL or BEDROCK and FRACTURED LAYERED TERRAIN. So you see rock is just easier to write 4 letters.

But we don’t mean actual rock, bedrock, consolidated material with fractured and layered terrain.
Until now you certainly never said that by rock you meant anything else than actual rock, so I take answer to mean that you now think that comets are not made of actual rock, but something else that you have not defined closely, but which I suspect will be crystallized into something that fits with the actual measurements.

Quote:
Now steenkth, are you aware of the electric field centred on the rocky nucleus?
I am a complete lay person in this debate, but I believe that this has been measured, and it is nowhere close to what you needed for actual rock. What do you need for a mixture of dust and ice?
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Old 21st October 2018, 02:08 AM   #9
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Quote:
Now, i’m just happy that we can all call the CONSOLIDATED material ROCK, not ACTUAL ROCK
And one of the main tenets of Thornhill's EC woo is that it is actual rock, blasted off of a planet. So you are conceding that to be trivially wrong. Correct?
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Old 22nd October 2018, 12:49 PM   #10
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Originally Posted by jonesdave116 View Post
And one of the main tenets of Thornhill's EC woo is that it is actual rock, blasted off of a planet. So you are conceding that to be trivially wrong. Correct?
No, I concede comets are rocks discharging in the solar plasma, though not actual rock.
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Old 22nd October 2018, 02:49 PM   #11
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Originally Posted by Sol88 View Post
What I said is comets are rock but not really knowing the Rosetta mob didn’t have a name for a mixture of ices and dust. So reality check said we, the Royal we, call it rock for WANT of a better term.
That is not really what I wrote in 16 October 2018: Stupidity that A’Hearn using standard terms is "unfortunate words".

The royal we is every rational person in the world who knows that comets are ices and dust. When these rational people read words such as rock, bedrock, boulder, stone, etc. in scientific papers about comets they know that the astronomers are writing about the ices and dust that comets formed from in the early solar system. The astronomers use those words borrowed from terrestrial geology rather than making up more terms for trivial aspects of comets.
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Old 22nd October 2018, 02:56 PM   #12
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Exclamation Throws away a central tenet of the electric comets insanity

Originally Posted by Sol88 View Post
No, I concede comets are rocks discharging in the solar plasma, though not actual rock.
23 October 2018: Throws away a central dogma of the electric comets insanity but keeps his "discharging in the solar plasma" insanity.

Now that you concede that comets are mad of ices and dust ("rock"):
When did comets form from ices and dust, Sol88?
Where did comets form from ices and dust, Sol88?
What happens to the ices as comets get closer to the Sun, Sol88? (hint: what is sublimation?).

Sol88's electric comet insanity (maybe the rock and being blasted from planets insanity will be crossed out soon but do not hold your breath!)
Sol88's comet delusions include comets are rocks; these rocks were blasted from the Earth including recently; blasting was by electrical discharges between Earth and Venus; an imaginary solar electric field charges up comets; the charge causes never detected electrical discharges; comet jets are electrical discharges; images show that comets are rocks; Birkeland currents in comets and their tails with no appropriate magnetic field; papers using bedrock to describe layers of ices support his comet are rock delusion, imaginary double layers do magic; many years of lying that ices have not been detected on comets, a "hard shell of refractory +material on the outside" lie, insanity of consolidated ices and dust in papers being rock, an insane spate of lies about ices and dust papers.
Totally inane delusions about charge separation doing magic. Stupidly thinks that a ambipolar electric field is a double layer.
Insanity of dust removal from the surface changing measured comet density
Electrical discharge machining insanity.
A repeated insane insult of Michael A’Hearn.
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Old 22nd October 2018, 03:35 PM   #13
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Originally Posted by Sol88 View Post
No, I concede comets are rocks discharging in the solar plasma, though not actual rock.
Which is sheer idiocy, as there is no rock, as proven, and there are no discharges, as proven. So, it's a busted flush that relies on religious zeal and faith only. Correct?
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Old 24th October 2018, 05:13 PM   #14
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Not actual rock, jd116.

It's just the word astronomers use to describe the mixture of MOSTLY dust with SOME ice's.

and

at 80 odd percent the comet nucleus is actually MOSTLY empty voids.

So, for want of a better word and thanks to Reality Check we can now use the word ROCK.

but we understand not actual ROCK but some majical mixture of NOTHING, DUST with some ice.



Quote:
Abstract
From the operation of the MUPUS thermal probe Spohn et al. (2015) concluded that the material of the nucleus of 67P/Churyumov–Gerasimenko is likely to have a high strength, at least locally at the Philae landing site. In this work we consider the derived strength of the material in order to constrain its granulation. For this purpose we performed numerical simulations of the long–term sintering of ice–dust granular mixtures of different granulation, covered by a dust mantle. The dust mantle has a thickness of 0 – 16 cm, and a (pore size and temperature–dependent) thermal conductivity. According to our simulations a hardened layer at least a meter thick forms beneath the dust only when the grains are tens of microns in radius, or smaller.
Quote:
In order to better simulate the topography at the Philae landing site, we simulated the evolution of the material when the solar flux is reduced by
25%. In both cases, also when the illumination was deliberately overestimated, our simulations indicate that the coarse–grained material should not undergo significant sintering. However, the failed attempt to penetrate the subsurface later by MUPUS-PEN probably indicates high strength
Comet 67P/Churyumov-Gerasimenko:
hardening of the sub-surface layer


Quote:
(c) What are comets made of?
At the simplest level, a very basic question is whether comets are mostly ice or mostly rock/dirt/refractory material. Whipple’s [2] model of the dirty snowball, the first quantitative model, envisioned cometary nuclei as mostly ice, although our understanding has been evolving more toward mostly rock, particularly for 67P/C-G for which refractory/volatile ratios as high as 6 have been cited [3,4]. Nevertheless, there is still considerable uncertainty about even this basic parameter, not least of which is that most measurements are subject to selection effects in removing refractories from the nucleus to the coma, where they are observed as dust.
Comets: looking ahead Michael F. A’Hearn

Quote:
The mechanical properties of the surface in a number of different regions were constrained by comparing gravitational slopes and surface morphology [47],
where low slope (0-20°) terrains contained mainly fine material and few large isolated boulders (> 10 m), intermediate slope terrains (20°-45°) associated with fallen consolidated material, debris fields with numerous
intermediate size boulders (< 1m – 10m) and high-slope terrain (45-90°) being cliff regions with exposed consolidated material with no boulders or fine material. Here consolidated is used to refer to areas that appear
rocky in appearance and are cohesive enough to display lineaments and fractures.
The Rosetta mission orbiter Science overview – the comet phase M.G.G.T. Taylor (1), N. Altobelli (2), B. J. Buratti (3) and M. Choukroun



but not actual rock.
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Old 24th October 2018, 05:27 PM   #15
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Now are we happy?
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Old 24th October 2018, 05:30 PM   #16
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So now back to the ambipolar electric field and the separation of charges caused by the motion of the solar plasma stream past the ...ROCKY nucleus.

Can this be the cause of cometary jets?

anyone with a half a brain cell would have to wonder what else these electric fields can do.

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Old 24th October 2018, 07:13 PM   #17
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Thumbs down Back to the usual delusions e.g. a "ROCKY nucleus"

Originally Posted by Sol88 View Post
So now back to the ambipolar electric field and the separation of charges caused by the motion of the solar plasma stream past the ...ROCKY nucleus.
25 October 2018: Back to the usual delusions e.g. a "ROCKY nucleus"

It is "rocky" (lowercase) since he concedes that comets are ices and dust bodies that formed in the early Solar System .6 billion years ago. That is what the mainstream use of the word rock means.

the ambipolar electric field is standard plasma physics. A comet coma is plasma. A comet coma will have a ambipolar electric field. That ambipolar electric field is in the coma, not on the comet nucleus !

The solar wind is plasma and thus contains separated charges.

Anyone with half a brain would read the posts in this thread, the ices and dust comet papers that they have cited and what the ambipolar electric field is.
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Old 24th October 2018, 07:23 PM   #18
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Thumbs down "majical mixture of NOTHING, DUST with some ice" stupidity

Originally Posted by Sol88 View Post
but we understand not actual ROCK but some majical mixture of NOTHING, DUST with some ice.
You cannot use the word "ROCK" (uppercase) because that suggests your electric comet insanity. You can use the standard, sane "rock" (lowercase) = ices and dust comets that formed in the early Solar System.

25 October 2018: "majical mixture of NOTHING, DUST with some ice" stupidity when it is cometary physics.
Obviously he has never seen snow which is a mixture of NOTHING and ICES and a bit of DUST !

Very simply put: Start with a grain of ice in space. Have another grain of ice collide with it. If they stick they will make a dumbbell shape. Collide another grain and it will stick fairly randomly on that shape. We end up with an irregular shape full of voids. Mix in dust grains and voids still happen.
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Old 24th October 2018, 11:51 PM   #19
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Originally Posted by Sol88 View Post
Not actual rock
Okay that is settled, then.
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Old 25th October 2018, 01:00 AM   #20
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^^^

Oh, I thought you already knew?? Oh, and also You cannot use the word "ROCK" (uppercase)

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Old 25th October 2018, 01:10 AM   #21
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Originally Posted by Reality Check View Post
You cannot use the word "ROCK" (uppercase) because that suggests your electric comet insanity. You can use the standard, sane "rock" (lowercase) = ices and dust comets that formed in the early Solar System.

25 October 2018: "majical mixture of NOTHING, DUST with some ice" stupidity when it is cometary physics.
Obviously he has never seen snow which is a mixture of NOTHING and ICES and a bit of DUST !

Very simply put: Start with a grain of ice in space. Have another grain of ice collide with it. If they stick they will make a dumbbell shape. Collide another grain and it will stick fairly randomly on that shape. We end up with an irregular shape full of voids. Mix in dust grains and voids still happen.

And MUPUS can not hammer thru? The harpoons? The ice screws? The fact that Philea "bounced"???

and the absolute best...
Quote:
exposed consolidated material with no boulders or fine material. Here consolidated is used to refer to areas that appear rocky in appearance and are cohesive enough to display lineaments and fractures.
So you temm me how your porous ice can also be consolidated?

.....and we are back to The Deep Fried Ice Cream Model!

Quote:
"A comet is like deep fried ice cream," says JPL's Dr. Murthy Gudipati. "The crust is made of crystalline ice, while the interior is colder and more porous. The organics are like a final layer of chocolate on top."
crust is made of crystalline ice??? Really Reality Check?

Quote:
According to our simulations a hardened layer at least a meter thick forms beneath the dust only when the grains are tens of microns in radius, or smaller.
Quote:
exposed consolidated material with no boulders or fine material
Mmmmmmm......
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"Goes without saying that nothing electrical happened." [Jonesdavid116]

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fake news, electric fields do not exist in space. [Tusenfem 13/11/18]

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Old 25th October 2018, 04:05 AM   #22
jonesdave116
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anyone with a half a brain cell would have to wonder what else these electric fields can do.
And anybody with half a brain cell would look at the mag data, and see no discharges. No rock, no discharges. Your faith-based woo is dead, isn't it?
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Old 25th October 2018, 04:08 AM   #23
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And MUPUS can not hammer thru? The harpoons? The ice screws? The fact that Philea "bounced"???
How many times? Are you deliberately stupid? What strength did MUPUS and the SESAME/ CASSE instrument measure? Do I have to keep linking it, so that you can keep ignoring it, and carry on with your lies? Give up, your idiocy died a long time ago.
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Old 25th October 2018, 04:09 AM   #24
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So you temm me how your porous ice can also be consolidated?
You have been told multiple times. It is not our fault that you are too stupid to understand it.
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Old 25th October 2018, 04:12 AM   #25
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Mmmmmmm......
You don't really get this science lark, do you? Tell me - why does somebody who is so obviously scientifically illiterate feel the need to post on a science forum? Why don't you go join the rest of the uneducated loons at Thunderdolts? Would seem to be more on your level, I'd have thought.
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Old 25th October 2018, 04:18 AM   #26
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Can this be the cause of cometary jets?
No. What a stupid thing to say. We know what the jets are composed of. Only an idiot would ignore that data, and the total lack of signatures in the mag data, to suggest that the jets are some sort of idiotic electrical woo. Either that or a numpty who has been brainwashed by scientifically illiterate loons into believing something, and has fallen for it so hard that it has essentially become a religion for them. Certainly, nobody sane would believe such nonsense.
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Old 25th October 2018, 06:59 AM   #27
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Comet pits mystery solved! It was space crabs!

https://www.eurekalert.org/pub_relea...-rrs102318.php
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Old 25th October 2018, 10:07 AM   #28
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Originally Posted by Sol88 View Post
And MUPUS can not hammer thru? The harpoons? The ice screws? The fact that Philea "bounced"???

and the absolute best...

So you temm me how your porous ice can also be consolidated?

.....and we are back to The Deep Fried Ice Cream Model!



crust is made of crystalline ice??? Really Reality Check?



Mmmmmmm......
Sol88, we’ve been over this before ... just because you, wherever you are in Oz, never experience compacted, refrozen mounds of frozen water left by snow ploughs (mixed with all kinds of stones, dust, leaves, and even the occasional dead squirrel road kill), impervious to MUPUS-like hammers, harpoons, and ice screws, doesn’t mean there is zero porosity, or a crust made in part of crystalline ice! True, this has happened only once or twice (I do try to learn from painful experience), but trying to clear such a roadside pile with a shovel can have it bounce off, and jar my arm and shoulder. And this is only a few degrees below zero.

Ice climbers can usually make do with brute force and ice picks, but on many a glacier - dirt/rock/dust covered or not - they often do not make purchase.

A poorly informed sense of incredulity is no substitute for science-based quantitative analyses.

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Old 25th October 2018, 10:50 AM   #29
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Originally Posted by Sol88 View Post
^^^

Oh, I thought you already knew?? Oh, and also You cannot use the word "ROCK" (uppercase)

http://i64.tinypic.com/35b5xn4.jpg
have you ever heard this talk?
do i actually claim that the comet is a rock?
or is it just wordplay on "candle in the wind"?
do i actually care about the surface of the comet?
is it really in the wind, or is it in the solar wind?
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Old 25th October 2018, 11:11 AM   #30
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Originally Posted by JeanTate View Post
Sol88, we’ve been over this before ... just because you, wherever you are in Oz, never experience compacted, refrozen mounds of frozen water left by snow ploughs (mixed with all kinds of stones, dust, leaves, and even the occasional dead squirrel road kill), impervious to MUPUS-like hammers, harpoons, and ice screws, doesn’t mean there is zero porosity, or a crust made in part of crystalline ice! True, this has happened only once or twice (I do try to learn from painful experience), but trying to clear such a roadside pile with a shovel can have it bounce off, and jar my arm and shoulder. And this is only a few degrees below zero.

Ice climbers can usually make do with brute force and ice picks, but on many a glacier - dirt/rock/dust covered or not - they often do not make purchase.

A poorly informed sense of incredulity is no substitute for science-based quantitative analyses.
Sol88 has been informed of the density and hardness of plow walls for quite a while
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Old 25th October 2018, 11:48 AM   #31
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Originally Posted by Dancing David View Post
Sol88 has been informed of the density and hardness of plow walls for quite a while
And a number of other materials. He quoted my post at the top of the first page, where I linked to the MUPUS strength data. And also linked to The Man's post laying it out in a manner even the hard of thinking could understand;

http://www.internationalskeptics.com...postcount=1448

He will carry on obfuscating and gish galloping though, as I suspect we are not his primary audience. That particular audience would have the combined IQ of a starfish.
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Old 25th October 2018, 01:36 PM   #32
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Thumbs down Stupidity that a joke in a twitter? image is a scientific paper

Originally Posted by Sol88 View Post
^^^...
26 October 2018: Stupidity that a joke in a twitter? image is a scientific paper!
Made abysmal by the fact that the joke text is all in uppercase.
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Old 25th October 2018, 01:54 PM   #33
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Thumbs down Back to MUPUS and surface/interior properties insanity

Originally Posted by Sol88 View Post
And MUPUS ...
26 October 2018: Back to MUPUS, surface/interior properties insanity and additional stupidity.

This is insane because he knows from what he has cited that the interior of 67P has been measured to have high porosity as we expected. He knows that MUPUS was driven into the surface of 67P. He knows that MUPUS results were consistent with a layer of sintered ices and dust. He should know what "sintered" means but since he obviously does not (see below) I have linked to sintering!

The additional stupidity:
This is Philae and the planned/actual landing
Quote:
The lander was designed to deploy from the main spacecraft body and descend from an orbit of 22.5 kilometres (14 mi) along a ballistic trajectory.[79] It would touch down on the comet's surface at a velocity of around 1 metre per second (3.6 km/h; 2.2 mph).[80] The legs were designed to dampen the initial impact to avoid bouncing as the comet's escape velocity is only around 1 m/s (3.6 km/h; 2.2 mph),[81] and the impact energy was intended to drive ice screws into the surface.[82] Philae was to then fire a harpoon into the surface at 70 m/s (250 km/h; 160 mph) to anchor itself.[83][84] A thruster on top of Philae was to have fired to lessen the bounce upon impact and to reduce the recoil from harpoon firing.[31] During the landing, the harpoons did not fire and the thruster failed to operate, leading to a multiple-contact landing.[45][13]
The harpoons and thruster were a mechanical failure. That meant that Philae actually bounced several times as anyone with half a brain cell would expect. For a start, the harpoons were there to stop any bounce! Comets are not balls of glue - anything hitting at a low velocity should bounce. That is especially true for a metallic object like Philae because ices do not adhere well to metal surfaces.

Stupid question about "consolidated material" and "porous ice" that is known cometary physics and has been answered many times in this thread. Sublimation of ices forms the comet coma and jets. The porous ices and dust on the surface loses ices and consolidates. Chemical reactions with sunlight probably help.

Stupid question about "crystalline ice" (see above).

"Mmmmmmm......" stupidity about randomly highlight, uncited quotes.

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Old 25th October 2018, 02:19 PM   #34
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Originally Posted by jonesdave116 View Post
And a number of other materials. He quoted my post at the top of the first page, where I linked to the MUPUS strength data. And also linked to The Man's post laying it out in a manner even the hard of thinking could understand;

http://www.internationalskeptics.com...postcount=1448

He will carry on obfuscating and gish galloping though, as I suspect we are not his primary audience. That particular audience would have the combined IQ of a starfish.
It reminds me of people who post about jebus and then seemingly just make the same statements over and over.
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Old 25th October 2018, 02:21 PM   #35
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Originally Posted by jonesdave116 View Post
And a number of other materials. He quoted my post at the top of the first page, where I linked to the MUPUS strength data. And also linked to The Man's post laying it out in a manner even the hard of thinking could understand;

http://www.internationalskeptics.com...postcount=1448

He will carry on obfuscating and gish galloping though, as I suspect we are not his primary audience. That particular audience would have the combined IQ of a starfish.
Whoops! That should have been Jellyfish. Apologies to any starfish reading.
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Old 3rd November 2018, 10:50 PM   #36
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New insights on comet tails are blowing in the solar wind

Quote:
Comets are cosmic crumbs of frozen gas, rock and dust left over from the formation of our solar system 4.6 billion years ago—and so they may contain important clues about our solar system's early history.

Read more at: https://phys.org/news/2018-11-insigh...solar.html#jCp
Oh boy....rock but not real rock.


Tap tap another nail in the dustysnowball model! And by the comments joensdaft116 is struggling with the FACT COMETS ARE ELECTRIC.

Along with the glaring fact comets are NOT leftovers from the formation of the solar system...

Kinda gunna hurt for the whole formation of the solar system farietale!

Giant planets around young star raise questions about how planets form

Quote:
According to the researchers, it is also unclear whether the sibling planets played a role in driving the innermost planet into its ultra-close orbit, and whether this is a mechanism that works in making hot Jupiters in general. And a further mystery is how the outer two planets formed at all.
"Planet formation models tend to focus on being able to make the types of planets that have been observed already, so new discoveries don't necessarily fit the models," said Clarke. "Saturn mass planets are supposed to form by first accumulating a solid core and then pulling in a layer of gas on top, but these processes are supposed to be very slow at large distances from the star. Most models will struggle to make planets of this mass at this distance."


Read more at: https://phys.org/news/2018-10-giant-...-star.html#jCp
Maybe the model is wrong? Like comets being the ‘leftovers” of this very process!

Comets are most definitely NOT ROCK because we know they are balls of mosty ice with some fluffy dust
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Old 4th November 2018, 05:10 AM   #37
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Oh boy....rock but not real rock.


Tap tap another nail in the dustysnowball model! And by the comments joensdaft116 is struggling with the FACT COMETS ARE ELECTRIC.
Nope, zero rock, and you will find no reference to rock in the paper. Stop lying.

And no electric woo seen, either. Why the lies?
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Old 4th November 2018, 05:13 AM   #38
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Along with the glaring fact comets are NOT leftovers from the formation of the solar system...

Kinda gunna hurt for the whole formation of the solar system farietale!
Really? Says who? If it's just you, then we can safely ignore that, can't we?
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Old 4th November 2018, 06:08 AM   #39
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Maybe the model is wrong? Like comets being the ‘leftovers” of this very process!
And maybe you haven't got a clue what you are talking about? According to the idiot Thornhill, comets are just asteroids on elliptical orbits, yes? So, how old are asteroids?

Thermal and impact histories of 25143 Itokawa recorded in Hayabusa particles
Terada, K. et al.
https://www.nature.com/articles/s41598-018-30192-4

4.64 ± 0.18 billion years, would be the answer to that.
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Old 4th November 2018, 12:41 PM   #40
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Thumbs down Usual lies about mainstream science to derail from his electric comet insanity

Originally Posted by Sol88 View Post
...Tap tap another nail in the dustysnowball model!
Usual lies about mainstream science to derail from his electric comet insanity.

New insights on comet tails are blowing in the solar wind is on an ices and dust Comet McNaught producing a "highly structured tail, composed of many distinct dust bands called striae, or striations".

New image processing techniques give insights into how that tail formed
Quote:
But the researchers were most excited to find that Price's maps made it easier to explain the strange effect that drew their attention to the data in the first place. Indeed, the current sheet was the culprit behind the disruptions in the dust tail, breaking up each striation's smooth, distinct lines. For the two days it took the full length of the comet to traverse the current sheet, whenever dust encountered the changing magnetic conditions there, it was jolted out of position, as if crossing some cosmic speed bump.
Sol88's electric comet insanity (not actual rock but no statement of what comets are made of yet):
Sol88's comet delusions include comets are rocks; these rocks were blasted from the Earth including recently; blasting was by electrical discharges between Earth and Venus; an imaginary solar electric field charges up comets; the charge causes never detected electrical discharges; comet jets are electrical discharges; images show that comets are rocks; Birkeland currents in comets and their tails with no appropriate magnetic field; papers using bedrock to describe layers of ices support his comet are rock delusion, imaginary double layers do magic; many years of lying that ices have not been detected on comets, a "hard shell of refractory +material on the outside" lie, insanity of consolidated ices and dust in papers being rock, an insane spate of lies about ices and dust papers.
Totally inane delusions about charge separation doing magic. Stupidly thinks that a ambipolar electric field is a double layer.
Insanity of dust removal from the surface changing measured comet density
Electrical discharge machining insanity.
A repeated insane insult of Michael A’Hearn.
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