Future Venus Missions |
Future Venus Missions |
Jul 1 2005, 01:30 AM
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Solar System Cartographer Group: Members Posts: 10256 Joined: 5-April 05 From: Canada Member No.: 227 |
Oh well, might as well start that new topic since it's already well advanced in the Juno area...
My perspective on landers is as follows. All the landers we've had so far were dropped blind onto an essentially unknown surface. Any future landers can be targeted for specific terrains. It really is not true that we have had representative landings. Even a descent image or two, a panoramic photo plus a bit of surface composition, from a simple Venera-class lander just updated a bit, would be useful if we could put several down at well chosen targets. My choices would be: Examples of the main plains units (smooth, fractured, ridged) tesserae high elevation radar-bright tesserae large fresh lava flow unit ('fluctus') crater dark parabola crater ejecta outflow unit dunes area. And I have always assumed, rightly or wrongly, that it would be relatively easy to put these down, so they ought to be fairly inexpensive as planetary landers go. 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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Guest_BruceMoomaw_* |
May 8 2006, 10:09 PM
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Guests |
Aha! I always wondered why Madame de Pompadour came up with that ridiculous hairdo. She was hiding her TARDIS in it!
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May 8 2006, 10:40 PM
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Senior Member Group: Members Posts: 2488 Joined: 17-April 05 From: Glasgow, Scotland, UK Member No.: 239 |
Aha! I always wondered why Madame de Pompadour came up with that ridiculous hairdo. She was hiding her TARDIS in it! Bruce: Believe it or not, there are actually three or four left in Glasgow; or perhaps it's the same one... Bob Shaw -------------------- Remember: Time Flies like the wind - but Fruit Flies like bananas!
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May 9 2006, 04:28 PM
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Member Group: Members Posts: 154 Joined: 17-March 05 Member No.: 206 |
Bruce: Believe it or not, there are actually three or four left in Glasgow; or perhaps it's the same one... Bob Shaw So what exactly was the purpose of those Police boxes in the UK? Kind of an exclusive telephone booth for cops? I watched Dr Who for years and never understood that. |
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May 9 2006, 05:56 PM
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#5
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Senior Member Group: Members Posts: 2454 Joined: 8-July 05 From: NGC 5907 Member No.: 430 |
So what exactly was the purpose of those Police boxes in the UK? Kind of an exclusive telephone booth for cops? I watched Dr Who for years and never understood that. I think UK mailboxes look far more like alien robots. http://www.irelandinformationguide.com/Ima...htKaihsuTai.jpg -------------------- "After having some business dealings with men, I am occasionally chagrined,
and feel as if I had done some wrong, and it is hard to forget the ugly circumstance. I see that such intercourse long continued would make one thoroughly prosaic, hard, and coarse. But the longest intercourse with Nature, though in her rudest moods, does not thus harden and make coarse. A hard, sensible man whom we liken to a rock is indeed much harder than a rock. From hard, coarse, insensible men with whom I have no sympathy, I go to commune with the rocks, whose hearts are comparatively soft." - Henry David Thoreau, November 15, 1853 |
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