Astronomy Cast 354 – Comet Siding Spring vs Mars – Video




Astronomy Cast 354 - Comet Siding Spring vs Mars
We were witness to a once in a million year event. A close approach of Comet Siding Spring to the Planet Mars. And fortunately, humanity had a fleet of spacecraft orbiting the Red Planet, ready...

By: Fraser Cain

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Astronomy Cast 354 - Comet Siding Spring vs Mars - Video

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