火星脸谱
2021年07月04日 The Face on Mars Image Credit: NASA, Viking 1 Orbiter Explanation: Wouldn’t it be fun if clouds were castles? Wouldn’t it be fun if the laundry on the bedroom chair was a superhero? Wouldn’t it be fun if rock mesas on Mars were interplanetary monuments to the human face? Clouds, though, are floating droplets of water and ice. La...