NASA Scientists Re-Create Mars ‘Spiders’ in a Lab for First Time
5 min read Preparations for Next Moonwalk Simulations Underway (and Underwater) Tests on Earth appear to confirm how the Red Planet’s spider-shaped geologic formations are carved by carbon dioxide. Spider-shaped features called araneiform terrain are found in the southern hemisphere of Mars, carved into the landscape by carbon dioxide gas. This 2009 image taken by [...]