NASA's Curiosity rover on Mars has captured its first view of Earth from the surface of the Red Planet — a striking image that shows our home planet as a bright light in the Martian sky, with the moon shining nearby.
The Curiosity rover photographed Earth from Mars on Jan. 31 using the left-eye camera on its head-like science mast. You can see a video of Curiosity's Earth-from-Mars images here.
The rover apparently watched the Martian sunset, then photographed Earth in the night sky about 80 minutes later, NASA officials said in an image description. [Amazing Photos of Earth from Space (Gallery)]
"A human observer with normal vision, if standing on Mars, could easily see Earth and the moon as two distinct, bright 'evening stars,'" NASA officials said in the image description. Aside from some processing to remove the effects of cosmic rays, the Curiosity photographs are unmodified, they added.
The Mars rover Curiosity snapped the photos of Earth from Mars during its 529th day on the Martian surface. The $2.5 billion rover has been exploring the vast Gale Crater on Mars since August 2012.
Curiosity is not the only rover to photograph Earth from the surface of Mars. In 2004, NASA's Mars rover Spirit snapped an epic "You Are Here" photo showing Earth from the Martian surface. That photo marked the first time a spacecraft had photographed Earth from the surface of another world other than the moon.
Several other deep-space probes have photographed Earth from even farther out.
NASA's Cassini spacecraft has photographed Earth and the moon from Saturn on more than one occasion, most recently in July 2013. In 2010, the NASA Messenger spacecraft currently orbiting Mercury photographed Earth and other planets as part of a solar system portrait as seen from the closest planet to the sun.
The most famous photograph of Earth from space may be the so-called "Pale Blue Dot" view captured by NASA's Voyager 1 spacecraft. That image was released by NASA on Feb. 14, 1990.
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