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Latest David J. Tholen Stories

Massive Asteroid Will Not Strike Earth In 2040
2012-12-23 05:40:35

redOrbit Staff & Wire Reports - Your Universe Online A 140 meter diameter asteroid experts once believed had a one in 500 chance of striking the earth no longer presents a significant impact risk, NASA officials have confirmed. Previously, orbital uncertainties meant there could have been a 0.2-percent chance that asteroid 2011 AG5 would collide with the planet in February 2040, prompting the scientific community -- including David Tholen, Richard Wainscoat and Marco Micheli of the...

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2009-10-07 14:20:00

Using updated information, NASA scientists have recalculated the path of a large asteroid. The refined path indicates a significantly reduced likelihood of a hazardous encounter with Earth in 2036. The Apophis asteroid is approximately the size of two-and-a-half football fields. The new data were documented by near-Earth object scientists Steve Chesley and Paul Chodas at NASA's Jet Propulsion Laboratory in Pasadena, Calif. They will present their updated findings at a meeting of the American...


Word of the Day
glogg
  • Scandinavian punch made of claret and aquavit with spices and raisins and orange peel and sugar.
This word comes from the Swedish 'glogg,' which is an alteration of 'glodgat,' mulled (wine).
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