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Comet Siding Spring from Mars Exploration Rover Opportunity

Comet Siding Spring from Mars Exploration Rover Opportunity

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NASA / JPL / Cornell / ASU / TAMU

Comet Siding Spring from Mars Exploration Rover Opportunity
A comet fresh from the Oort cloud visited Mars on October 19, 2014. Opportunity pointed her cameras before sunset and then woke up to take this photo at 3:19 a.m. local time on sol 3817, about 2.5 hours before its closest approach to Mars. The comet makes a slightly elongated smudge across the sky -- but it is elongated in a different direction than the streaked stars in this long exposure, indicating the comet's apparent rapid motion across the Martian sky.

Most NASA images are in the public domain. Reuse of this image is governed by NASA's image use policy.

Original image data dated on or about October 19, 2014

Explore related images: pretty pictures, Opportunity, comets, astronomy by planetary missions, Mars Exploration Rovers, comet Siding Spring

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