Exploring the Greenheugh Pediment, Sols 3387-3871, 16 Feb 2022-1 Jul 2023 |
Exploring the Greenheugh Pediment, Sols 3387-3871, 16 Feb 2022-1 Jul 2023 |
Aug 7 2022, 12:48 PM
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#331
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Member Group: Members Posts: 684 Joined: 24-July 15 Member No.: 7619 |
Has anyone worked out the duration of Milankovitch cycles on Mars?
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Aug 7 2022, 01:33 PM
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#332
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Member Group: Members Posts: 823 Joined: 9-September 17 From: UK Member No.: 8241 |
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Aug 7 2022, 01:58 PM
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#333
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Senior Member Group: Members Posts: 1043 Joined: 17-February 09 Member No.: 4605 |
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Aug 7 2022, 04:01 PM
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#334
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Senior Member Group: Members Posts: 1074 Joined: 21-September 07 From: Québec, Canada Member No.: 3908 |
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Aug 8 2022, 09:14 AM
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#335
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Senior Member Group: Members Posts: 2821 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 |
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Aug 8 2022, 11:00 AM
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#336
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Senior Member Group: Members Posts: 1074 Joined: 21-September 07 From: Québec, Canada Member No.: 3908 |
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Aug 8 2022, 11:31 AM
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#337
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Senior Member Group: Members Posts: 2428 Joined: 30-January 13 From: Penang, Malaysia. Member No.: 6853 |
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Aug 8 2022, 12:43 PM
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#338
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Senior Member Group: Members Posts: 2821 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 |
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Aug 8 2022, 02:16 PM
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#339
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Member Group: Members Posts: 684 Joined: 24-July 15 Member No.: 7619 |
Thanks!
For anybody interested, there is an inverse- calculating planetary orbits back beyond the 'chaos / 3 body problem" using Milankovitch cycles QUOTE (Mapping Solar System chaos with the Geological Orrery) The Solar System is chaotic, and precise solutions for the motions of the planets are limited to about 60 million years. Using a network of coring experiments that we call the Geological Orrery (after 18th century planetaria), we recover precise and accurate values for the precession of the perihelion of the inner planets from 223- to 199-million-year-old tropical lake sediments, circumventing the problem of Solar System chaos. Extension of the Geological Orrery from 60 million years ago to the whole Mesozoic and beyond would provide an empirical realm to constrain models of Solar System evolution, further test General Relativity and its alternatives, constrain the existence of additional past planets, and provide further tests of gravitational models. https://www.pnas.org/doi/10.1073/pnas.18139...System%20motion.
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Aug 8 2022, 07:51 PM
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#340
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Solar System Cartographer Group: Members Posts: 10153 Joined: 5-April 05 From: Canada Member No.: 227 |
Jan's panorama for sol 3556 in circular form - a short drive to be closer to the cliff and just a bit further south.
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 PD: 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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Aug 9 2022, 08:35 AM
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#341
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Member Group: Members Posts: 823 Joined: 9-September 17 From: UK Member No.: 8241 |
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Aug 9 2022, 09:30 AM
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#342
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Senior Member Group: Members Posts: 2821 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 |
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Aug 9 2022, 03:30 PM
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#343
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Member Group: Members Posts: 823 Joined: 9-September 17 From: UK Member No.: 8241 |
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Aug 9 2022, 08:31 PM
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#344
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Senior Member Group: Members Posts: 2821 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 |
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Aug 10 2022, 10:40 AM
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#345
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Senior Member Group: Members Posts: 2821 Joined: 22-April 05 From: Ridderkerk, Netherlands Member No.: 353 |
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