Friday, July 20, 2012 - 16:00 in Astronomy & Space
Auroras shine over Antarctica, a celestial triangle takes shape, and Mars takes a retrograde trip in the week's best space pictures.
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- Hubble's Neptune anniversary picturesTue, 12 Jul 2011, 17:04:59 EDT
- Scientists solve 30-year-old aurora borealis mysteryThu, 24 Jul 2008, 14:36:53 EDT
- An accurate picture of ice loss in GreenlandTue, 30 Sep 2008, 9:28:26 EDT
- First images from Planck space telescopeFri, 18 Sep 2009, 9:08:16 EDT