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NASA
On a Mission: Season Two, Episode 5: Catch a Falling Star
Why are missions like OSIRIS-REx bringing pieces of an asteroid back home?
Visual Learning Systems
Understanding Seismology
The video explains the three main types of seismic waves that are produced when rocks move and crumble during an earthquake: primary waves, secondary waves, and surface waves. Volcanoes and Earthquakes part 10/13
Minute Earth
Minute Earth: Why Is All Sand the Same?
Learn how the different geological components that make up sand are formed. [2:28]