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NASA Tracks Russian Meteor Plume

From the article: “We wanted to know if our satellite could detect the meteor dust,” said Gorkavyi, of NASA’s Goddard Space Flight Center in Greenbelt, Md., who led the study, which has been accepted for publication in the journal Geophysical Research Letters. “Indeed, we saw the formation of a new dust belt in Earth’s stratosphere, […]

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Part of the Asteroid Family?

Could the Chelyabinsk bolide have been part of a larger asteroid family? Some researchers seem to think so. From the article: “The Chelyabinsk meteorite that hit Russia in February, injuring over a thousand, may have stemmed from a massive cluster of rocks which broke off from a disintegrating asteroid thousands of years ago, a new […]

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Infrasound Detection and the Chelyabinsk Meteor

“Statistically, something this size hits the Earth approximately once every 50 years (though nothing this size or larger has been observed to hit the Earth since 1908). This event was nearly ten times as energetic as the Sulawesi, Indonesia fireball of 2009.” This article by Margaret Campbell-Brown, Associate Professor in the Department of Physics and […]

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Tunguska By the Numbers: An Infographic

The last major asteroid impact was in Tunguska, Russia, in 1908, where an asteroid destroyed an area larger than the Washington D.C. metropolitan area. More recently, on February 15, 2013, we witnessed the close fly-by (only 17,000 miles away) of Asteroid DA-14 and the real impact of a smaller asteroid over Chelyabinsk, Russia. “These events […]

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