Featured Images

Map of the Moon's gravitational field
Lunar Lumpiness
Tuesday, September 6, 2011
Messenger view of Mercury's southern hemisphere
Hard-to-Study Planet
Friday, September 2, 2011
Composite view of a giant storm on Saturn from the Cassini spacecraft
Stormy Skies
Wednesday, August 31, 2011
The star cluster M7
Aging Family
Sunday, August 28, 2011
NGC 4438 and NGC 4435, galaxies in Virgo
Beautiful Eyes
Thursday, August 25, 2011
Voyager 2 view of the Adams Ring at Neptune
Pulverized Moon
Monday, August 22, 2011
Yerkes Observatory in Wisconsin is home to the world's largest refractor
Still Going
Thursday, August 18, 2011
The Necklace Nebula, the remains of a dying star in Sagittarius
Ring of Fire
Monday, August 15, 2011
Panoramic view of Endeavour crater on Mars, imaged by the Opportunity rover
Final Destination
Thursday, August 11, 2011
Possible rivulets of water flowing on Mars
Drippy Planet
Monday, August 8, 2011
Artist's concept of Juno at Jupiter
Jumping Off for Jupiter
Friday, August 5, 2011
International Space Station viewed from space shuttle Atlantis, July 19, 2011
Last Look
Wednesday, August 3, 2011
Rock varnish on a rock from the Atacama Desert
Bacteria Colony?
Friday, July 29, 2011
Scientists are studying rocks in Chile to learn about possible life on Mars
Looking for Life
Wednesday, July 27, 2011
Chile's Atacama Desert is an analog for studying conditions on Mars
Mars on Earth
Tuesday, July 26, 2011
Moon, Mars, and Aldebaran, July 26-28, 2011
Seeing Orange
Monday, July 25, 2011

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