Instructional Video2:38
NASA

NASA | Observing Comet Siding Spring at Mars

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Follow Comet Siding Spring at #MarsComet



On October 19, Comet Siding Spring will pass within 88,000 miles of Mars – just one third of the distance from the Earth to the Moon! Traveling at 33 miles per second and weighing...
Instructional Video
NASA

Science at Nasa: Science Casts: Colliding Atmospheres Mars vs Comet Siding Spring

9th - 10th
Comet Siding Spring is about to fly historically close to Mars. The encounter could spark Martian auroras, a meteor shower, and other unpredictable effects. Whatever happens, NASA's fleet of Mars satellites will have a ringside seat....
Instructional Video
NASA

Science at Nasa: Science Casts: Collision Course? A Comet Heads for Mars

9th - 10th
A comet is heading for Mars, and there is a chance that it might hit the Red Planet in October 2014. An impact wouldn't necessarily mean the end of NASA's Mars program. But it would transform the program along with Mars itself. (Mar. 27,...