January 2011
A bright storm erupted in Saturn's atmosphere.
February 2011
The nucleus of Comet Tempel 1
March 2011:
1,235 candidate exoplanets discovered by Kepler's space telescope
April 2011:
Faint emission nebula IC 410
May 2011:
Where are the most distant spacecrafts?
June 2011:
A Last Landing for Space Shuttle Endeavour
July 2011:
The surface of asteroid Vesta
August 2011:
Compact groups of galaxies Hickson 44 in Leo
September 2011:
Ice Holes on Mars
October 2011:
The entire surface of the innermost planet Mercury
November 2011:
Features on the Sun's face
December 2011:
Planet Kepler 22b - the closest match to Earth
Images: http://apod.nasa.gov/
