Comet Siding Spring Close Flyby Of Mars Set For Sunday

October 18, 2014 8:17 PM

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Comet Siding Spring Close Flyby Of Mars Set For Sunday

Comet Siding Spring will pass incredibly close to Mars Sunday and NASA will have a front-row seat. NASA's fleet of rovers, orbiters and telescopes will observe the comet in great detail, providing new insights into the behavior of a comet as well as the history of the universe.

Comet Siding Spring, also known as C/2013 A1, is making what is likely its first trip into the solar system and around the sun. The comet is believed to be from the Oort Cloud, a roughly spherical "shell" around the solar system 5,000 to 100,000 astronomical units (an AU is the mean distance from th...

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