#NASA, #Space, #astronomy, #διάστημα, #Mars
Black Hole@konstructivizm
New image of the largest volcano in the Solar System Olympus Mons on Mars is 21 km tall. It's as wide as Arizona. Metropolitan LA fits inside its summit caldera. Its basal cliff is 7 km high. And it started to grow ~3.5 billion years ago, but has lavas only 2 million years old.
Credit: Paul Byrne
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