Airports have vast swaths of empty land and rooftops. But it’s not so easy as just covering everything with solar panels.
“Researchers have spotted large waves of martian sand migrating for the first time,” reports Science magazine. “The discovery dispels the long-held belief that these ‘megaripples’ haven’t moved since they formed hundreds of thousands of years ago. They’re also evidence of stronger-than-expected winds on the Red Planet.” It’s pretty staggering that humans can detect these changes […]