LRO development |
LRO development |
May 2 2005, 01:31 AM
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#101
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Senior Member Group: Moderator Posts: 2262 Joined: 9-February 04 From: Melbourne - Oz Member No.: 16 |
Just read this interesting article about LRO
http://science.nasa.gov/headlines/y2005/28apr_lro.htm QUOTE "This is the first in a string of missions," says Gordon Chin, project scientist for LRO at NASA's Goddard Space Flight Center. "More robots will follow, about one per year, leading up to manned flight" no later than 2020." One per Year? Is this just wishful thinking or have any tentitve plans been mentioned for follow up missions after LRO? If the next one is going to be 2009/10 then I guess some desisions about it will have to be made fairly soon. James -------------------- |
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Sep 5 2006, 03:07 PM
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#102
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Founder Group: Chairman Posts: 14434 Joined: 8-February 04 Member No.: 1 |
If Phil thinks the Moon is greyscale - it means his publisher saves a fortune on printing costs
Seriously - yes - there are some very subtle colours on the moon - but not so much as one would notice with the naked eye really. Doug |
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Sep 5 2006, 11:25 PM
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#103
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Senior Member Group: Members Posts: 3419 Joined: 9-February 04 From: Minneapolis, MN, USA Member No.: 15 |
Seriously - yes - there are some very subtle colours on the moon - but not so much as one would notice with the naked eye really. It all seems to depend on your phase angle relative to the Sun. Many of the Apollo astronauts saw brownish tints in the Moon at high phase (Sun directly or near-directly overhead), while some others never saw anything except shades of gray. I think you have to be a lot closer than Earth-Moon distances to get enough sunlight off the lunar surface to really see much color there with the naked eye, though. In actuality, sensitive spectrographic studies have shown that some portions of the visible lunar surface have a reddish tint, while others have a bluish tint. I believe reddish tints include much of the anorthositic highlands and a few of the maria, and bluish tints predominate in high-titanium mares. Also, some of the more sharp-eyed Apollo CMPs have seen streaks of both yellow-orange and light green glasses deposited in various areas where fire fountains once emplaced basaltic glass droplets. I recall that Ron Evans, in particular, was able to see orange and red glass streaks in the Sulpicius Galles (sp?) region. -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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