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Physics and Astronomy

Volcanic plateaus (red) and impact basins (blue) dominate this topographic map of Mars
Views: 911
Filesize: 142.21kB
Date: Jun 30, 2012
 South polar cap in 2000
Views: 866
Filesize: 54.27kB
Date: Jun 30, 2012
 Northern ice cap of Mars in 1999
Views: 897
Filesize: 61.94kB
Date: Jun 30, 2012
 Microscopic photo taken by Opportunity showing a gray hematite concretion, indicative of the past pr
Views: 951
Filesize: 135.15kB
Date: Jun 30, 2012
Rover exposes silica-rich dust on Mars
Views: 887
Filesize: 240.09kB
Date: Jun 30, 2012
 Global view of Mars as seen by the Viking 1 orbiter in 1980, showing the Valles Marineris (center)
Views: 1001
Filesize: 52.19kB
Date: Jun 30, 2012
 Size comparison of Earth and Mars.
Views: 2173
Filesize: 475.15kB
Date: Jun 30, 2012
 True-color view of Mars seen through NASA's Hubble Space Telescope in 1999
Views: 1141
Filesize: 27.49kB
Date: Jun 30, 2012
Possible Earth 5 billion years from now
Views: 1248
Filesize: 62.92kB
Date: Jun 16, 2012
 A very high-resolution texture of the Moon, including a normal map
Views: 1182
Filesize: 87.26kB
Date: Jun 16, 2012
 A very high-resolution texture of the planet Mars
Views: 1342
Filesize: 95.63kB
Date: Jun 16, 2012
 Celestia's rendition of TrES-4 b.
Views: 886
Filesize: 22.69kB
Date: Jun 16, 2012
Typical DSO survey in Celestia
Views: 850
Filesize: 30kB
Date: Jun 16, 2012
 Celestia displaying Jupiter, Europa and Io
Views: 734
Filesize: 71.37kB
Date: Jun 16, 2012
 Artist's rendition of the view from a hypothetical airless planet orbiting Alpha Centauri A
Views: 905
Filesize: 282.58kB
Date: Jun 16, 2012
 Looking toward the sky around Orion from Alpha Centauri with Sirius near Betelgeuse and the Sun betw
Views: 773
Filesize: 41.92kB
Date: Jun 16, 2012
Looking toward the Sun from Alpha Centauri in Celestia
Views: 741
Filesize: 79.12kB
Date: Jun 16, 2012
 Apparent motion of Alpha Centauri relative to Beta Centauri
Views: 1088
Filesize: 10.43kB
Date: Jun 16, 2012
 Apparent and True Orbits of Alpha Centauri.
Views: 1218
Filesize: 100.2kB
Date: Jun 16, 2012
 The two bright stars are (left) Alpha Centauri and (right) Beta Centauri.
Views: 998
Filesize: 198.7kB
Date: Jun 16, 2012
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