A Color-Saturated Look At Mercury’s Massive, Ancient Caloris Basin
Mercury ’s Caloris Basinis seen in anenhanced color mosaic . The massive crater , formed some 4 billion years ago , is orange . minor craters made later are submit in blue , while orange splotch around the circumference may be volcanic vents . ( Side note : Props to the punster who titled the photo “ All About that Basin ” on the Jet Propulsion Laboratory ’s Photojournal Thomas Nelson Page ....