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Questions regarding Earth's only natural satellite. For questions about the natural satellites of other planets, use the tag [natural-satellite].

1 vote
0 answers
66 views

Moon Photo from Apollo 12 mission

Can anyone explain why the Moon looks so small and dark in photos taken from cislunar space during the Apollo 12 mission? AS12-53-7887 found at https://www.lpi.usra.edu/resources/apollo/frame/?AS12-53 …
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1 vote
0 answers
46 views

Lunar surface illumination

I am trying to determine the lunar surface near or far side daytime illumination levels in Lux or foot-candles but there seems to be no directly measured values available. I did find this information …
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  • 39
1 vote
1 answer
139 views

Lunar sky brightness

Looking at the report "The Measurements of Sky Brightness on Lunokhod-2"1, I read that the day time visible light sky brightness was so large that it was off the scale. Unfortunately I have no idea ho …
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Why would the side of the moon that faces earth be as dark as the far side of the moon?

The Sun lit far side of the Moon was measured during the Apollo 8 mission and a perpendicular reading of between 160-320 lumens was indicated by the Minolta 1 degree spot meter as they passed over. If …
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