Lunar Spacecraft Images, A place for moon panoramas, mosaics etc. |
Lunar Spacecraft Images, A place for moon panoramas, mosaics etc. |
Jun 5 2005, 01:27 AM
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#31
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Solar System Cartographer Group: Members Posts: 10226 Joined: 5-April 05 From: Canada Member No.: 227 |
As promised in another thread... I thought all the images from Surveyor, Apollo etc. needed another place to go than the Mars Forum.
I will start the thing off with a link, not an image. I occasionally have images in Chuck Wood's Lunar Picture of the Day (LPOD) website, www.lpod.org. This URL: http://www.lpod.org/LPOD-2005-05-25.htm is my latest, a Clementine LWIR mosaic. The text accompanying the image explains how I made it. LWIR images from the PDS look useless but they can be made into very nice image strips. In most areas of the Moon they are the highest resolution images available, since the HIRES camera only functioned well over near-polar latitudes. So image junkies who want to see new scenery emerge from their computers can go wild! 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 21 2006, 10:16 AM
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#32
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Senior Member Group: Members Posts: 3419 Joined: 9-February 04 From: Minneapolis, MN, USA Member No.: 15 |
Well... there *are* sharp and craggy features on the Moon, but they're at relatively small scales. There are tons of angular, sharp-edged rocks up there, ejected from relatively fresh craters. And there are new craters being made most every day, of various (usually rather small) sizes, that have pretty sharp rims. But because the vast majority of the rocks and craters have been softened by millennia of impact erosion, such sharp features do tend to stand out (and were immediately noticeable by the Apollo crews).
And there are colors on the Moon beyond the small patch of orange soil found at Taurus-Littrow. In overall coloration, the highlands have a very slight reddish tinge, while the maria have a very slight bluish tinge. And there are deposits of volcanic and impact glasses that are more brightly colored -- greens, yellows, oranges, reds and golds -- that occur on the surface in such small areal extents that they are only visible at small scales. (And it wasn't just the Apollo 17 crew that found colored glasses -- the Apollo 15 crew found light green glasses coating some rocks. But the coloration was so subtle that, while Irwin spotted it immediately, Scott remained convinced until he saw the samples back on Earth that the greenish cast was a function of the sun visors.) These sharp and colored features are so subtle and relatively uncommon that the overall appearance of the lunar surface is, as you say, of an almost entirely colorless, softened gray expanse. But the overall impression isn't absolute, and on a planet the size of the Moon, you can find an exception to just about every rule. -the other Doug -------------------- “The trouble ain't that there is too many fools, but that the lightning ain't distributed right.” -Mark Twain
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