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Topic: Steve Chesley

NASA Jet Propulsion Laboratory Scientist accurately determines the Weight of an Asteroid

 

Written by DC Agle
NASA’s Jet Propulsion Laboratory

NASA - National Aeronautics and Space AdministrationPasadena, CA – A scientist at NASA’s Jet Propulsion Laboratory in Pasadena, CA, has accurately determined the mass of a nearby asteroid from millions of miles away.

The celestial equivalent of “guess your weight” was achieved by Steve Chesley of JPL’s Near-Earth Object Program Office by utilizing data from three NASA assets – the Goldstone Solar System Radar in the California desert, the orbiting Spitzer Space telescope, and the NASA-sponsored Arecibo Observatory in Puerto Rico.

This computer generated image of asteroid 1999 RQ36 was derived from data acquired by the NASA-supported Arecibo Observatory in Puerto Rico. (Image credit: NASA/NSF/Cornell/Nolan)

This computer generated image of asteroid 1999 RQ36 was derived from data acquired by the NASA-supported Arecibo Observatory in Puerto Rico. (Image credit: NASA/NSF/Cornell/Nolan)

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