NASA astronaut Andre Douglas takes a closer look at the geologic samples he collected during a simulated moonwalk in the San Francisco Volcanic Field in Northern Arizona on May 17, 2024. Credit: NASA/Josh Valcarcel
NASA astronaut Andre Douglas takes a closer look at the geologic samples he collected during a simulated moonwalk in the San Francisco Volcanic Field in Northern Arizona on May 17, 2024. Credit: NASA/Josh Valcarcel