Spacecraft Send Images of Comet Siding Spring

October 26, 2014 7:00 AM

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Spacecraft Send Images of Comet Siding Spring

The nucleus of the comet that zoomed past the Red Planet on Sunday appears to be about half its predicted size of about half a mile. This surprising find could be one of many to come as scientists pore over the data sent back by the NASA orbiters and rovers that teamed up to study the mysterious visitor from the solar system's distant Oort cloud.

All three orbiters -- the Mars Reconnaissance Orbiter, Mars Odyssey and Mars Atmosphere and Volatile EvolutioN, a.k.a. MAVEN -- captured data that are being relayed to NASA scientists. Both rovers, Curiosity and Opportunity, trained their "eyes" on the skies. The elderly Opportunity has already sent...

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