Get your telescopes out, the solar system’s largest volcano is here!

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The volcano is about the size of Arizona with a volume 100 times larger than that of Mauna Loa’s, Earth’s largest volcano, NASA says. “In fact, the entire chain of Hawaiian islands (from Kauai to Hawaii) would fit inside Olympus Mons!”

Brighter than Jupiter this October! And the closest Mars will be until 2035.

(The photo is from Forbes, but the information was better on The Telegraph.)