Green Bank Telescope Tracks Artemis 2 Orion Spacecraft Around the Moon for Five Days
Summary: The U.S. National Science Foundation Green Bank Telescope (GBT) continuously tracked NASA's Artemis 2 Orion spacecraft around the moon for five days during the historic mission, measuring the spacecraft's movement from over 200,000 miles (320,000 kilometers) away with precision of 0.2 millimeters per second, providing NASA with valuable independent verification data.