NASA reveals new images and science findings from the first spacecraft to orbit Mercury. The MErcury Surface, Space ENvironment, GEochemistry, and Ranging, or MESSENGER spacecraft conducted more than a dozen laps through the inner solar system for six years prior to achieving the historic orbit insertion on March 17.
NASA reveals new images and science findings from the first spacecraft to orbit Mercury. The MErcury Surface, Space ENvironment, GEochemistry, and Ranging, or MESSENGER spacecraft conducted more than a dozen laps through the inner solar system for six years prior to achieving the historic orbit insertion on March 17.