
The Solar Dynamics Observatory (SDO) captured this image of the X1.9 class solar flare from November 3, 2011.

APOD Science APOD APOD: 2011 November 4 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss …

Astronaut Alan L. Bean, Lunar Module pilot, pauses near a tool carrier during the Apollo 12 spacewalk on the moon's…

APOD Science APOD APOD: 2011 November 3 – IC… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss…

Pushing the limits of its powerful vision, NASA's Hubble Space Telescope uncovered the oldest burned-out stars in our Milky Way…

For astronomers, it's always been a source of frustration that the nearest white dwarf star is buried in the glow…

APOD Science APOD APOD: 2011 November 2 – NGC… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss…

ISS029-E-033629 (29 Oct. 2011) -- The unpiloted ISS Progress 42 supply vehicle departs from the International Space Station at 5:04…

ISS029-E-033601 (29 Oct. 2011) -- The unpiloted ISS Progress 42 supply vehicle departs from the International Space Station at 5:04…

The unpiloted ISS Progress 42 supply vehicle departs from the International Space Station at 5:04 a.m. (EDT) on Oct. 29,…