Have a question about the Moon? You’ve come to the right place.

Ask a Lunar Scientist is a service to answer questions from the public about lunar science. Begin by searching our database of previous Questions and Answers. If you can’t find the information there, click Submit a Question and have your question answered by a scientist from SSERVI.

Below you will find a list of questions that have video answers available. Simply click on an image to view a segment.


List of Questions and Answers
Answered by the NASA Lunar Science Institute

What causes an eclipse of the moon?
Answered by Doris Daou of the NASA Lunar Science Institute

Why does the moon look like it changes?
Answered by Doris Daou of the NASA Lunar Science Institute

Why doesn’t the moon fall down?
Answered by Doris Daou of the NASA Lunar Science Institute

SSERVI Science Teams

  • Observations of the lunar impact plume from the LCROSS event

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    McMath‐Pierce telescope observed sodium (Na) emission from LCROSS impact on October 9, 2009.When the Lunar Crater Observing and Sensing Satellite (LCROSS) impacted Cabeus crater on October 9th, it pitched up frozen water along with some sodium, astronomers reported today.

    According to the LCROSS team, the impact event pitched up about 660 pounds of water frozen on the bottom of the crater. NLSI researcher R. M. Killen at NASA’s Goddard Spaceflight Center reported that the plume also contained about 3.3 pounds of sodium chloride.

Inspiration Room

NLSI Inspiration Room

Did you know?

The Apollo missions brought back 842 pounds of lunar samples to analyze in labs on Earth.

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