By 2024, NASA will land astronauts, including the first woman and next man, on the Moon as part of the Artemis lunar exploration program. This won’t be the first time NASA takes the name Artemis to the Moon though. Two robotic spacecraft orbiting the Moon today were initially known as ARTEMIS—short for Acceleration, Reconnection, Turbulence and Electrodynamics of the Moon’s Interaction with the Sun. Since 2011, these spacecraft have been sending scientists valuable information about the lunar environment, and laying groundwork critical to returning humans to the Moon.

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