![](https://www.nasa.gov/wp-content/uploads/2024/05/jsc2024e035651orig.jpg?# )
NASA astronaut Kate Rubins places a sample marker in the soil before collecting a sample during a nighttime simulated moonwalk in the San Francisco Volcanic Field in Northern Arizona on May 16, 2024.
A sample marker provides a photographic reference point for science samples collected on the lunar surface.Image Credit: NASA/Josh ValcarcelRead More.
Image Credits - NASA