Subscribe now

Space

Electric dust could be erasing signs of life from the surface of Mars

By Leah Crane

19 June 2020

Martian surface

The Martian surface might be crackling with static electricity

NASA/JPL-Caltech/MSSS

Sparks may be flying on Mars. The grains of dust there can rub together and become electrically charged, which could cause chemical reactions that would make it difficult to spot signs of life on the surface.

When grains of dust or sand rub together, they can build up an electric charge the same way that shuffling your feet on the carpet can build up static electricity. Those grains can then release the charge in sparks similar to those that shock your fingertips when you have built up enough static electricity…

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with New Scientist events and special offers.

Sign up

To continue reading, subscribe today with our introductory offers

Popular articles

Trending New Scientist articles

Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop