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What Are Asteroids Made Of?

Published on March 26, 2014. What are asteroids made of? OSIRIS-REx presents a new 321Science video about the basic materials of asteroids. This video explores how scientists observe asteroids and use laboratory analysis of meteorites to find out what asteroids are made of. And a little history is thrown in! And for more information about why carbonaceous asteroids such as Bennu are important to us on Earth, check out Minute Earth's Where did water come from?    • Where Did Earth's Water Come From?   OSIRIS-REx is on the web at AsteroidMission.org Facebook:   / osirisrex   Twitter: @OSIRISREx Music: Feeling Positive by Matthias Harris Thanks to the 321Science team: Anna Spitz, Symeon Platts, Melissa Dykhuis, James Keane, Heather Roper, Zoe Bentley, Rose Patchell, Sarah Spitz, Ross Dubois, and OSIRIS-REx Scientists and Educators. OSIRIS-REx Presents 321Science posts entertaining videos about asteroid science and mission information. OSIRIS-REx is a NASA New Frontiers mission which will launch to asteroid Bennu in 2016 and return a sample of the asteroid to Earth in 2023.