Curiosity is sitting on a stream bed

 
Rounded gravel fragments, or clasts, up to a couple inches (few centimetres), on dry stream beds on Mars and Earth Image credit: NASA/JPL-Caltech/MSSS and PSI
Rounded gravel fragments, or clasts, up to a couple inches (few centimetres), on Mars and on a dry stream bed on Earth. Image credit: NASA/JPL-Caltech/MSSS and PSI

The Mars rover Curiosity is driving over a dried-up stream bed.

Looking at the gravel under Curiosity, NASA scientists say the water must have flowed about 1 m/s and been somewhere between 10 cm and a metre deep. That’s a lot of water, although it was probably billions of years ago.

Posted by sheila

Sheila came to La Palma with a six month contract and has stayed 24 years so far. She used to work as a software engineer at the observatory, but now she's a writer and Starlight guide.

This article has 1 Comment

  1. Thanks for your effort for posting “Curiosity is sitting on a stream bed | Star Island”.
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    With thanks, Alexandria

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