Bruce Murray Space Image Library
Caloris Basin, Mercury, as seen by Mariner 10
Filed under pretty pictures, Mercury, Mariner 10
The Caloris Basin is one of the largest basins in the solar system at approximately 1,300 kilometers (800 miles) in diameter. Only half of it was seen by Mariner 10 as it sped past Mercury in 1974.
NASA / JPL / Mark Robinson
Original image data dated on or about March 29, 1974
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