Sunday, September 3, 2006

Sunset on Mars

From NASA's website: [The Mars probe,] Spirit acquired this view of the Martian sunset from Gusev Crater on April 23, 2005. Using data from images such as this, scientists have learned that twilight on Mars is longer than on Earth, lasting for up to two hours before sunrise or after sunset. Click on the picture for a hi-rez version of the picture.