Artist’s impression of NASA’s Space Launch System during takeoff, with the Orion spacecraft riding on top. A test flight of SLS, which will send Orion around the moon and back, is expected to take place in 2019. NASA

Electric-Powered Lunar Space Tug Could Facilitate Future Moon Missions

To make moon flights cheaper, a new paper proposes that NASA use an electrically powered lunar space tug that would operate between Earth and the moon.

A picture of Earth taken during one of the crewed Apollo missions, a NASA program which ran trips to the moon between 1968 and 1972. The next generation of moon missions could employ a lunar space tug, according to a new paper. NASA