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Visit us in Washington, DC and Chantilly, VA to explore hundreds of the world’s most significant objects in aviation and space history.
Explore striking lunar landscapes from the Lunar Reconnaissance Orbiter Camera in this exhibition where art meets science.
The X-1 proved an aircraft could travel faster than sound and gathered transonic flight data that is still valuable today.
Don’t miss our fast-paced webcasts designed to engage students in Science, Technology, Engineering, and Math in 30 minutes.
How has Star Trek influenced your life or career? Share your story and tell us!
Our scientists are involved in current research focused on the Martian climate and geology. Find out what we’re discovering.
Recognize your favorite air or space enthusiast. Add his or her name to the Museum’s Wall of Honor.
Mercury - Crater Ejecta and Chains of Secondary Impacts
This newly observed flat-floored crater was viewed at an oblique angle as the MESSENGER spacecraft approached Mercury for its third flyby, about two hours from closest approach. This crater is younger than nearby craters of similar size, indicated by the distinctive halo of small secondary craters that radiate outward from the central structure. Many of these secondaries are aligned in chain-like formations. Crater chains are just one of many ejecta types observed on Mercury.