Featured Images

A January 23, 2012 solar flare
Restless Sun
Monday, January 30, 2012
Endeavour Crater, winter home of the Opportunity Mars rover
Winter Wonderland
Thursday, January 26, 2012
Infrared view of the spiral galaxy IC 342
Tangled Galaxy
Sunday, January 22, 2012
Earth's atmosphere distorts the Moon as seen from the International Space Statio
Squashed Moon
Tuesday, January 17, 2012
Infrared view of starbirth in the vast nebula complex Cygnus X
Busy Nursery
Friday, January 13, 2012
Artist's concept of a dark storm on the brown dwarf 2MASS 2139
Stormy Skies
Wednesday, January 11, 2012
Artist's concept of the pulsar and planets in the system PSR B1257+12
Second-Chance Planets
Sunday, January 8, 2012
M1, the Crab Nebula, in a Hubble Space Telescope image
Crab Nebula
Friday, January 6, 2012
The Moon and Hyades, night of January 5, 2012
Staring at the Bull
Thursday, January 5, 2012
Jupiter's Great Red Spot and the planet's four largest moons
An Eyeful of Moons
Monday, January 2, 2012
Artist's concept of GRAIL spacecraft measuring the Moon's gravitational field
Lunar Arrival
Friday, December 30, 2011
Saturn's moons Titan and Dione above Saturn, with Saturn's rings
Saturnian Traffic Jam
Monday, December 26, 2011
View of Comet Lovejoy from the International Space Station
Christmas Comet
Friday, December 23, 2011
Horsehead Nebula photographed through a McDonald Observatory telescope
3D Horsehead
Tuesday, December 20, 2011
A comet plunges toward the Sun
Survivor: Comet
Friday, December 16, 2011
Galactic Swirl
Wednesday, December 14, 2011

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