Because of space physics, one faraway asteroid is likely the progenitor of almost a third of all the meteorites on Earth.
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If you want to learn more about this topic, start your googling with these keywords:
Asteroid: A rocky body smaller than a planet that is orbiting the sun.
Meteoroid: A smaller rocky body moving in the solar system.
Meteor: A meteoroid that has entered the Earth’s atmosphere.
Meteorite: A meteor that hits the Earth.
Orbital resonance: A force that occurs when orbiting bodies exert a regular, periodic gravitational influence on each other, because of the length of their relative orbits.
Kirkwood Gap: A dip in the distribution of main belt asteroids that correspond to the locations of orbital resonances with Jupiter.
Credits (and Twitter handles):
Script Writer: David Goldenberg (@dgoldenberg)
Script Editor: Alex Reich
Video Illustrator: Jorge
Video Director: Emily Elert (@eelert)
Video Narrator: Emily Elert (@eelert)
With Contributions From: Henry Reich, Kate Yoshida, Ever Salazar, Peter Reich
Music by: Nathaniel Schroeder: http://www.soundcloud.com/drschroeder
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If you liked this week’s video, we think you might also like:
A terrifying but fascinating look at the destructive power of potential meteorites: http://www.purdue.edu/impactearth/
Burbine, T., McCoy, T., Meibom, A., Royer, C., Gladman, B., and Keil, K. (2002). Meteoritic Parent Bodies: Their Number and Identification. Asteroids III. 653-667. Retrieved from: http://adsabs.harvard.edu/abs/2002ast...
Farinella, P., Gonczi, R., Froeschle, Ch., and Froeschle, C. (1993). The Injection of Asteroid Fragments into Resonances. Icarus. 101: 174-187. Retrieved from: http://www.sciencedirect.com/science/...
Fieber-Beyer, S., Gaffey, M., Bottke, W., and Hardersen, P. (2015). Potentially hazardous Asteroid 2007 LE: Compositional link to the black chondrite Rose City and Asteroid (6) Hebe. Icarus. 250: 430-437. Retrieved from: http://www.sciencedirect.com/science/...
Gaffey, M. and Gilbert, S. (1998). Asteroid 6 Hebe: The probable parent body of the H-type ordinary chondrites and the IIE iron meteorites. Meteoritics and Planetary Science. 33: 1281-1295. Retrieved from: http://onlinelibrary.wiley.com/doi/10...
Vokrouhlicky, D., and Farinella, P. (2000). Efficient delivery of meteorites to the Earth from a wide range of asteroid parent bodies. Nature. 407: 606-608. Retrieved from: https://www.nature.com/nature/journal...
Moons, M. and Morbidelli, A. (1995). Secular Resonances in Mean Motion Commensurabilities: The 4/1, 3/1, 5/2, and 7/3 Cases. Icarus. 114: 33-50. Retrieved from: http://www.sciencedirect.com/science/...
Burbine, Thomas. (2017). Assistant Professor of Astronomy, University of Massachusetts. Personal Communication.
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