Space Weather News for Oct. 25, 2020
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A DARK STREAK JUST APPEARED ON MARS: Amateur astronomers are monitoring something new on Mars. A dark streak has just appeared near one of the Red Planet's giant extinct volcanoes, Arsia Mons. It appears to be a cloud, but the jury's still out. Visit today's edition of Spaceweather.com for images and more information.

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Above: A 600 km long dark streak, observed by amateur astronomers (left) and projected onto an image from Mars Orbiter (right). Credit: Maximilian Teodorescu.
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