Making Unique Observations in a Very Cluttered World

Friday, 7 February 2014

Curiosity rover takes snapshot of Earth -- from 100 million miles away on Mars

This view of the twilight sky and Martian horizon, taken by NASA's Mars rover Curiosity, includes Earth as the brightest point of light in the night sky. Earth is a little left of center in the image, and our moon is just below Earth. A human observer with normal vision, if standing on Mars, could easily see Earth and the moon as two distinct, bright "evening stars."

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