NASA astronaut Andre Douglas examines a geologic sample collected during a nighttime simulated moonwalk in the San Francisco Volcanic Field in Northern Arizona on May 16, 2024. Credit: NASA/Josh Valcarcel
NASA astronaut Andre Douglas examines a geologic sample collected during a nighttime simulated moonwalk in the San Francisco Volcanic Field in Northern Arizona on May 16, 2024. Credit: NASA/Josh Valcarcel