Mars Reconnaissance Orbiter picture vs Lunar Reconnaissance Orbiter picture
|Halcyon Dayz, FCD|
User ID: 19507663
08/08/2012 08:51 AM
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Because it's bigger.
HiRISE's aperture 0.5m, LROC NAC's 0.26m.
The Moon having no atmosphere allows for a much lower orbit so smaller telescopes will get you the desired resolution.
Saves a bundle.
HiRISE's job is to image the most interesting features on Mars, it could never image the whole surface.
LROC has to map the whole Moon in a reasonable amount of time, a higher resolution would mean having to take many more pictures.
Last Edited by Halcyon Dayz, FCD on 08/08/2012 08:53 AM
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