Traverse to the Delta, sols 379-414, 15 Mar 2022- 21 Apr 2022 |
Traverse to the Delta, sols 379-414, 15 Mar 2022- 21 Apr 2022 |
Apr 19 2022, 10:45 PM
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#136
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Member Group: Members Posts: 705 Joined: 3-December 04 From: Boulder, Colorado, USA Member No.: 117 |
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Apr 20 2022, 03:38 AM
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#137
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Member Group: Members Posts: 716 Joined: 3-January 08 Member No.: 3995 |
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Apr 20 2022, 07:13 AM
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#138
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Solar System Cartographer Group: Members Posts: 10226 Joined: 5-April 05 From: Canada Member No.: 227 |
Here is the sol 413 panorama in circular form. I added the two names from the press release where I assume they are located (Hawksbill Gap was shown on a map at LPSC, I am guessing the other location). This is the best view we have had yet of one of these troughs in the landscape.
Phil -------------------- ... because the Solar System ain't gonna map itself.
Also to be found posting similar content on https://mastodon.social/@PhilStooke Maps for download (free PDF: https://upload.wikimedia.org/wikipedia/comm...Cartography.pdf NOTE: everything created by me which I post on UMSF is considered to be in the public domain (NOT CC, public domain) |
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Apr 20 2022, 09:47 AM
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#139
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Junior Member Group: Members Posts: 75 Joined: 8-July 15 Member No.: 7566 |
Here is the sol 413 panorama in circular form. I added the two names from the press release where I assume they are located (Hawksbill Gap was shown on a map at LPSC, I am guessing the other location). This is the best view we have had yet of one of these troughs in the landscape. Phil Ah, helpful to see that Hawksbill Gap is the place in front of us because the press release (https://www.jpl.nasa.gov/news/nasas-perseverance-rover-arrives-at-delta-for-new-science-campaign) suggests the mission team favours it and could spend months there. Unlike what we were driving past last week, I think the basal units at Hawksbill Gap actually have a good chance of being prodelta mudstones. Their expression in the landscape is subdued, which is consistent with softer mudstone, in contrast to the craggy scarp-forming delta front/delta top sandstones. They also seem to be emplaced in thin horizontal beds like you'd expect with lacustrine mudstone, and they are laterally continuous as Gladstoner showed us. Finally they have a distinct colour, especially the lowermost beds which have an unusual reddish tone that might indicate mud. This is all very promising! Excited to see them up close. According to the press release, the Delta Front Campaign began on Monday April 18th and will last for six months. Time for a new thread? |
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Apr 20 2022, 04:42 PM
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#140
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Junior Member Group: Members Posts: 91 Joined: 11-August 21 Member No.: 9072 |
Here is the sol 413 panorama in circular form. I added the two names from the press release where I assume they are located (Hawksbill Gap was shown on a map at LPSC, I am guessing the other location). This is the best view we have had yet of one of these troughs in the landscape. Thank you, Phil! A few hours before I asked about it in another topic:Phil ... Yesterday the new Delta Front Campaign plan was published. May I ask anybody to draw the arrows for “Cape Nukshak” and “Hawksbill Gap” mentioned there? I don't have the instruments to unwrap the circular projection. is it possible to put the arrows onto some common map? Thank you. --Cherurbino |
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Apr 20 2022, 05:23 PM
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#141
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Solar System Cartographer Group: Members Posts: 10226 Joined: 5-April 05 From: Canada Member No.: 227 |
-------------------- ... because the Solar System ain't gonna map itself.
Also to be found posting similar content on https://mastodon.social/@PhilStooke Maps for download (free PDF: https://upload.wikimedia.org/wikipedia/comm...Cartography.pdf NOTE: everything created by me which I post on UMSF is considered to be in the public domain (NOT CC, public domain) |
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Apr 20 2022, 05:26 PM
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#142
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Senior Member Group: Members Posts: 2922 Joined: 14-February 06 From: Very close to the Pyrénées Mountains (France) Member No.: 682 |
So, we hope that we could get good pictures of the backshell and its parachute from the helicopter Ingenuity which is not far away from them Those could be even more spectacular ! "Dare Mighty Things" You’ve been heard Olivier…il suffisait de demander https://twitter.com/jeff_foust/status/15168...3679727617?s=21 -------------------- |
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Apr 20 2022, 05:56 PM
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#143
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Senior Member Group: Members Posts: 3008 Joined: 30-October 04 Member No.: 105 |
Is there any supposition of what we think that furrow is in front of the Rover on this circular projection?
--Bill -------------------- |
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Apr 20 2022, 06:19 PM
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#144
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Martian Photographer Group: Members Posts: 353 Joined: 3-March 05 Member No.: 183 |
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Apr 20 2022, 07:20 PM
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#145
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Member Group: Members Posts: 819 Joined: 3-June 04 From: Brittany, France Member No.: 79 |
Some parts of the panorama taken on sol 411 with Mastcam-Z Left, focused on Three Forks and interesting outcrops on the delta front.
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Apr 21 2022, 02:06 PM
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#146
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Senior Member Group: Members Posts: 1075 Joined: 21-September 07 From: Québec, Canada Member No.: 3908 |
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Apr 21 2022, 06:58 PM
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#147
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Senior Member Group: Members Posts: 4256 Joined: 17-January 05 Member No.: 152 |
It's a nice sequence. I was surprized that the sun looks considerably larger in mast-z at 110mm than in the MSL eclipse sequences at 100mm, allowing for the 10% focal length difference. It turns out Mars is at around 1.42AU from the sun now, near perihelion at 1.38AU (so at best the sun would appear only a few percent larger). The closest MSL's been when recording video of a Phobos transit is around 1.48AU on sol 713, I believe. |
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Apr 21 2022, 07:07 PM
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#148
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Member Group: Members Posts: 251 Joined: 14-January 22 Member No.: 9140 |
1) An interesting thing about the Phobos eclipse images is that Mars is nearly on the opposite side of the Sun from Earth, so the sunspots visible there give us an almost 360° view together with images taken from Earth at the same time.
2) Look at the wild shape of the shadow on Kodiak Hill. There is some interesting topography at right angles to the line of sight. |
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Apr 21 2022, 08:37 PM
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#149
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Founder Group: Chairman Posts: 14434 Joined: 8-February 04 Member No.: 1 |
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Apr 22 2022, 07:53 AM
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#150
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Senior Member Group: Members Posts: 1089 Joined: 19-February 05 From: Close to Meudon Observatory in France Member No.: 172 |
You’ve been heard Olivier…il suffisait de demander https://twitter.com/jeff_foust/status/15168...3679727617?s=21 Thanks so much Climber for the info! For sure, those images will make through international news |
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