Martian weather is still a mystery but to help scientists better understand it, I use my Mars Environmental Dynamics Analyzer (MEDA) to measure factors such as humidity and wind speed, as well as the amount and size of dust particles in the atmosphere. https://t.co/c1eYC61Jr1 pic.twitter.com/kB0Esx4Ftp

— NASA's Perseverance Mars Rover (@NASAPersevere) November 15, 2021