Comet's Mars Flyby Sunday Has Scientists Abuzz

Friday, October 17, 2014 - 07:00 in Astronomy & Space

Comet Siding Spring will zoom within 87,000 miles of Mars at 2:27 p.m. EDT on Sunday (Oct. 19). Scientists will observe the flyby using the fleet of spacecraft already at Mars, studying the comet and any effects its dust has on the planet's atmosphere.

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