NASA’s Mariner 10 mission performed several close flybys of Mercury from February 1974 to March 1975. Mariner 10 captured thousands of photos over the course of its mission, including the ...

Mercury's magnetic field, as observed by the two flybys of the Mariner 10 spacecraft that penetrated the magnetosphere (one of which was a polar pass), had a magnitude of roughly 300 nT at the ...