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#67P/Churyumov-Gerasimenko 1 (1969 R1), International Rosetta Mission, Osiris - Narrow Angle Camera, Rosetta Extension 2 -@ESA_Rosetta photo from https://imagearchives.esac.esa.int/picture.php?/170450/list/75828,83661,119065,10495,152443,27946,170450,121391,123566,45991,134335,94908,157996,131861,106047 …pic.twitter.com/mg9gs9NB78
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Note to enthusiastic astro students who will be mislead by this depiction. Whatever those whisps are supposed to be, they aren’t representative of: a) the jets which diffuse in all directions close to nucleus b) any sort of ablation by speeding thru space (which is empty)
#67P pic.twitter.com/TCbZoCGCPT
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Couldn’t you get the
#67P spin pole correct and keep the same orientation for all 3 positions? You go on and on about “sci comm” and “outreach”, yet when it comes down to it you present this type of incredibly sloppy work. It sets students up for utter confusion re obliquity. -
It’s high time the stuffy old peer reviewed papers started catching up with social media tools. This is no gimmick. I remember reading the paper with their (not full res!) photos & thinking “well it’s pretty hard for a
#67P novice to scroll up/down to see jet/source relationship”Prikaži ovu nit -
But of course! It’s a nice complement to
@ignaciocisneros gif. Your gif is famous among#67P aficionados! -
Nice overlay of background morphology for the July 2016 explosive jet source on
#67P https://twitter.com/ignaciocisneros/status/1224962056719233030 …
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Here’s Henrick’s Pancake slide as seen from above and much more obvious than in the last tweet. It’s the pastry lid of the bubbling depression pie (almost literally). Also: the northern slide with red dots and overall view showing northern & southern slides together
#67P pic.twitter.com/Gbzx0DcEFX
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This is recoil in a lava lamp. The white arrow coming towards us in frame 4 is the Imhotep northern recoil slide.
#67P pic.twitter.com/WBkwqpwWI4
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Can you see how the ablation vectors in your theory match the documented layer slide vectors in stretch theory?
#67P pic.twitter.com/pNiwM3W1GO
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Same for ‘Henricks pancake’ sliding in exactly the opposite direction to the south of the paleo equator. (Yellow arrow to left) Henrick’s pancake was the ‘pastry crust’ lid on top of the depression Northern slide per last tweet has v small blue dots
#67P pic.twitter.com/I4i4xkfgeS
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Very nice stereo! The section marked with blue dots in the foreground slid from its seating in the background along the yellow slide vector arrow. Much more obvious in your cross stereo than my 2D annotation.
#67P pic.twitter.com/MazgIlTGjk
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This shows the tell-tale arc of the recoil (green). Plus Babi recoil (orange). All this stuff has to be shoved back to the shear line (terracotta) and then the head fits to it. Aswan/Babi slides ~200m thick White: comet started splitting in middle hence no recoil layers here
#67P pic.twitter.com/fVf1gD4SM7
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Occasionally stated caveat: stretch theory isn’t peer-reviewed. However it does elegantly explain almost every feature at 100m resolution on
#67P. If you wish to follow just peer reviewed work please ignore us!Prikaži ovu nit -
This shows how beautifully predictive stretch theory is for
#67P. The clockwise shunt of the head lobe rim during neck stretch was established in 2015. The paleo equator was found independently. Yet you can see the equator is offset by same clockwise angle between head and body. pic.twitter.com/dgmEFmcRCd
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This shows the rift in Parts 48/49 which betrays the steep sheer gradient across the NTFV between the lee of the neck-end (Anuket) and the full force of the NTFV continuing past the neck-end, thru Hapi to Aker. Shear gradient sliced the layer along NTFV & layer rifted 200m
#67P pic.twitter.com/n31qszUS2E
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More context. The NTFV is the northern tensile force vector that was trying to follow the long-axis stretch vector over the surface prior to head shear but it was forced round the neck end as the head herniated. Same for STFV (southern version) hence the obvious triangle
#67P pic.twitter.com/DNMtYP5kGK
Prikaži ovu nit -
For context, here are the body locations where the mauve/yellow head rim rebate matches were clamped to the body prior to head shear (exact ends of lines: the ragged tear for mauve and nestled up behind the ‘blanket’ for yellow. Part 24 shows the imprinted, matching shapes)
#67P pic.twitter.com/Sw0eiy8oq0
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Comet
#67P was taken by@ESA_Rosetta in 2015#anseladams#halfdomepic.twitter.com/jzQmwMYdVc
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This majestic, large-end side view of comet
#67P was taken by@ESA_Rosetta#Today in 2015 http://buff.ly/2kqou5k pic.twitter.com/SYOgi2C2sb
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Boulder line was deposited at the bottom of the Hapi cliff as the head sheared away. As the head rose up from the shear line (white vector), that line of boulders was dragged into the middle of Hapi (yellow vector) because the neck was being extruded/sucked out of the body
#67P pic.twitter.com/4jHq57imqi
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