Illustration for article titled A Color-Saturated Look At Mercurys Massive, Ancient Caloris Basin

Mercury's Caloris Basin is seen in an enhanced color mosaic. The massive crater, formed some 4 billion years ago, is orange. Smaller craters made subsequently are rendered in blue, while orange splotches around the perimeter 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 page.)

Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Arizona State University/Carnegie Institution of Washington

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