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HST and the Galileans
OWW
post Nov 14 2007, 04:42 PM
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28GSNICHOL02 Nicholson Regio context
28GSNICHOL01 Nicholson Regio High resolution

PPJ: http://photojournal.jpl.nasa.gov/catalog/PIA02571
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tedstryk
post Nov 20 2007, 02:53 AM
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Revisiting Ganymede again, here is an ACS HRC view I processed.

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jasedm
post Nov 20 2007, 10:02 PM
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These are amazing shots - Ionian volcanism visible from Earth orbit - who'd have thought it?
This for me is a massive argument for very powerful telescopes on the moon's surface, or at one of the earth's Lagrange points.
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tedstryk
post Nov 20 2007, 10:30 PM
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QUOTE (jasedm @ Nov 20 2007, 10:02 PM) *
These are amazing shots - Ionian volcanism visible from Earth orbit - who'd have thought it?
This for me is a massive argument for very powerful telescopes on the moon's surface, or at one of the earth's Lagrange points.


I think the Lagrange points would be better. The moon dust and lunar exosphere may get in the way on the lunar surface, particularly in the UV. By the way, here are some improved versions of the images, enhanced to show fine detail better.

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