Crosswords0 min ago
stuff on the moon
15 Answers
not sure which section to ask this BUT>>> anyone EVER taken any photos (from this planet) of the stuff left by us on the moon (eg the lunar rover or the legs of the eagle) ??????
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No best answer has yet been selected by cap'n spanky. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.it's all to do with the relative size and resolution -as Kags says the hubble would get a good picture of the moon but nowhere near enough resolution to detect objects (thanks Kags i thought this was the reason but there are so many
-ve vibes on AB these days i thought i wouldn't post without being sure). If you find this hard to believe cap'n, then consider the perspective of a satellite, which is powerful enough to read a newspaper in someone's hand (apparently). the satellite is only a few (50-100?) miles up however, so consider how much more powerful it would have to get, to get the same level of detail on the moon which is 3 million (or 5 million?) miles away. The only way (IMHO) to get the detail you require would be to send a hubble-type probe close to the moon and i guess they don't want to waste all the money that would be required to do so, for such a trivial task (in their opinion). Anyway aren't the Yanks planning to resurrect the moon landing program again? you'll be able to get all the pics you want then
-ve vibes on AB these days i thought i wouldn't post without being sure). If you find this hard to believe cap'n, then consider the perspective of a satellite, which is powerful enough to read a newspaper in someone's hand (apparently). the satellite is only a few (50-100?) miles up however, so consider how much more powerful it would have to get, to get the same level of detail on the moon which is 3 million (or 5 million?) miles away. The only way (IMHO) to get the detail you require would be to send a hubble-type probe close to the moon and i guess they don't want to waste all the money that would be required to do so, for such a trivial task (in their opinion). Anyway aren't the Yanks planning to resurrect the moon landing program again? you'll be able to get all the pics you want then
Darth Vader has the correct answer bu the wrong figures. The Moon is 239,000 miles away, so getting a photo of something whis (say) 4 metres long on the moon at a distance of 400 million metres would be like getting a photo of something a tenth of a millimetre long (the thickness of an A4 sheet of paper) at a distance of 10,000 metres. In other words, it would be like photographing someone six miles away and expecting to be able to see every individual strand of hair on their head.