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Earth-based telescopes have similar difficulty trying to resolve manmade objects on the Moon. The best telescopic technology available today is interferometry that allows the images of multiple telescopes around the world to be combined together. In so doing, the multiple telescopes can produce higher-resolution imagery than a single telescope on its own. Unfortunately, even this capability is not yet sufficiently advanced to resolve objects as small as the Apollo landers. In order to see landers and other objects left on the Moon using present technology, it would be necessary to send a satellite to orbit the Moon that was equipped with high-resolution cameras. The cameras required would have to be comparable to those carried by military spy satellites or the civilian Ikonos satellite in Earth orbit.
A European spacecraft is currently doing just that. The probe SMART-1 is now conducting a detailed photographic survey of the Moon with high-resolution cameras capable of clearly seeing the Apollo landing sites.
Originally posted by ItsHumanNature
Heres a link to the Wiki for the Hubble Space Telescope
And here is an excerpt from that-- Accoring to this- Hubble has TEN TIMES the resolution of previous telescopes-not to mention that there is no disturbance from the atmosphere- the bane of all earthbound telescopes. Her is another excerpt- seems NASA does not agree with the assumption stated in a previous post about "wasting time" on the big scope "Anyone can apply for time on the telescope; there are no restrictions on nationality or academic affiliation. Competition for time on the telescope is extremely intense, and the ratio of time requested to time available (the oversubscription ratio) typically ranges between 6 and 9." Is there anyone here well versed in these matters that can clarify any of this- please respond.
"The mirror and optical systems of the telescope were the most crucial and complex part, and were designed to exacting specifications. Telescopes typically have mirrors polished to an accuracy of about a tenth of the wavelength of visible light, but because the Space Telescope was to be used for observations ranging from ultraviolet to near-infrared with ten times better resolution than the best previous telescopes, its mirror needed to be polished to an accuracy of 1/20 of the wavelength of visible light, or about 30 nanometres"
Mod Edit: External Source Tags – Please Review This Link.
[edit on 25-1-2008 by Jbird]
Originally posted by Nola213
reply to post by hinky
But ya, the Astronauts did leave radar targets up there, that we still hit today. We actually know that the moon is movieng away from the earth at a rate of close to one inch per year. It's supposedly, very precise.
Originally posted by Keyhole
Can't be seen from an Earth telescope, but SMART-1 will soon have the pictures, or should.