On Friday NASA said a comet that flew by planet Mars last month released a strong meteor shower that changed the chemistry of the planet’s upper atmosphere for a short period. Siding Spring is the name of the comet and it came from a faraway region in the solar system known as Oort Cloud. The comet passed 87,000 miles from Mars on October 19 with a speed of 35 miles, or 56 km per second and it … [Read more...]
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