Mondo Knows Facts
Valles Marineris on Mars is the largest canyon system in the solar system
Stretching over four thousand kilometres it dwarfs Earth Grand Canyon
Valles Marineris is a tectonic canyon network on Mars that stretches over 4,000 kilometres long, reaches up to 200 kilometres wide and plunges seven kilometres deep. If placed across North America, this massive canyon system would extend all the way from New York to Los Angeles.
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Tags: mars, canyon, geology
Valles Marineris on Mars is the largest canyon system in the solar system: the short answers
- Where does this come from, and can I check it?
- Stretching over four thousand kilometres it dwarfs Earth Grand Canyon. The figure is taken from ESA, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
- Is this really a space fact?
- Yes. It sits on the Space shelf, one of 1,090 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
- What else can I read about it?
- The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.