Schematic illustration of the invisible magnetic field lines generated by the Earth, represented as a dipole magnet field.
This diagram compares our own solar system to Kepler-22, a star system containing the first "habitable zone" planet discovered by…
APOD Science APOD APOD: 2011 December 5 – A… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss…
APOD Science APOD APOD: 2011 December 4 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss …
APOD Science APOD APOD: 2011 December 3 – As… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss…
APOD Science APOD APOD: 2011 December 2 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss …
The Apollo 17 spacecraft, containing astronauts Eugene A. Cernan, Ronald E. Evans, and Harrison H. Schmitt, glided to a safe…
APOD Science APOD APOD: 2011 December 1 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss …
Originally taken in July 2010, this photo shows NASA engineers installing six wheels on the Curiosity rover. NASA's Mars Science…
Astronaut Mark Lee tests the new backpack called Simplified Aid for EVA Rescue (SAFER), a system designed for use in…
