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Latest Steven J. Ostro Stories

Radar Movie Of Asteroid 2012 DA14 Released By NASA
2013-02-20 10:59:44

An initial sequence of radar images of asteroid 2012 DA14 was obtained on the night of Feb. 15/16, 2013, by NASA scientists using the 230-foot (70-meter) Deep Space Network antenna at Goldstone, Calif. Each of the 72 frames required 320 seconds of data collection by the Goldstone radar.

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2012-06-02 12:01:43

The work of a University of Tennessee, Knoxville, professor has helped reveal a rare orbital shift and the density of an asteroid that will pass close to Earth.

Scientist Guesses Asteroid's Weight, Millions Of Miles Away
2012-05-25 11:18:04

A NASA scientist would be a shoe-in at any state or county fair if hosting the "guess your weight" game. Steve Chesley of JPL's Near-Earth Object Program Office has accurately determine the mass of an asteroid from millions of miles away.

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2010-04-30 09:25:00

Near-Earth asteroid 2005 YU55 was "imaged" by the Arecibo Radar Telescope in Puerto Rico on April 19.

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2008-02-13 11:50:00

Once considered just your average single asteroid, 2001 SN263 has now been revealed as the first near-Earth triple asteroid ever found.

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2008-01-25 18:16:52

Scientists at NASA's Jet Propulsion Laboratory in Pasadena, Calif., have obtained the first images of asteroid 2007 TU24 using high-resolution radar data.

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2007-03-07 14:21:57

For the very first time, astronomers have witnessed the speeding up of an asteroid's rotation, and have shown that it is due to a theoretical effect predicted but never seen before.

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2006-12-20 08:55:00

Scientists from NASA's Jet Propulsion Laboratory and around the world rely on their ethereal images to tell some out-of-this-world tales of near-Earth objects.


Word of the Day
friseur
  • A hairdresser.
The word 'friseur' comes from French friseur, from friser ("to curl, frizz").
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