This image, from NASA Mariner 10 spacecraft which launched in 1974, is of the Borealis area H-1, located in Mercury northern hemisphere. The north pole is visible at the top of the image.
This image, from NASA Mariner 10 spacecraft which launched in 1974, is of the Borealis area H-1, located in Mercury northern hemisphere. The north pole is visible at the top of the image.