Comet Flyby Affects Mars Atmosphere
A comet traveling from the most distant region of our solar system passed amazingly close to Mars on October 19, and three spacecraft were there to observe the effects. If you had been standing on Mars, you would have seen thousands of shooting stars, according to astronomers from the University of Colorado, Boulder. The comet came from the Oort Cloud and passed within about 87,000 miles (139,500 kilometers) of Mars. That’s less than half the distance between Earth and our moon and less than one-tenth the distance of any known…
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