NASA astronaut Andre Douglas uses a scoop to dig into the ground to collect geologic samples 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 uses a scoop to dig into the ground to collect geologic samples during a simulated moonwalk in the San Francisco Volcanic Field in Northern Arizona on May 17, 2024. Credit: NASA/Josh Valcarcel