Lunar Samples Vault

Six different Apollo missions brought lunar rocks to Earth.

To study and preserve these priceless rocks, NASA created the Lunar Sample Laboratory Facility at Johnson Space Center. The lunar vault in Starship Gallery at Space Center Houston is a certified clean room. The equipment seen in the room is the same equipment used in Lunar Sample Laboratory Facility.

In Space Center Houston’s Lunar Vault, you can gaze at actual moon rocks, kept in a pure nitrogen environment as they are kept at NASA to preserve them. This is the largest display of moon rocks on public display in the world. You can check out a cross-section of a lunar sample under a microscope and see the devices that go into studying these fascinating bits of the moon.

About the Lunar Sample Laboratory Facility
The Lunar Sample Laboratory Facility that Space Center Houston’s Lunar Vault was modeled after was built in 1979 and is the chief repository of the nearly 382 kilograms (842 pounds) of lunar samples collected by the Apollo missions. It was constructed to provide permanent storage for the collection in a physically secure and non-contaminating environment. The facility consists of a storage vault for the samples, laboratories for sample preparation and study, a vault for sample data and records and machinery to supply nitrogen to the cabinets in which the samples are stored and processed.

The facility also stores rocks, core samples, regolith, sand and dust from Apollo and Soviet robotic Luna missions. In addition to continued study of these samples, lunar curators distribute samples for research and teaching.

Scientists continue to study the lunar samples, looking for clues about how the minerals formed. In the past, scientists have measured the heat conduction through unopened core tubes and have measured the light reflected both from the soil and the rocks.