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quinta-feira, 21 de abril de 2011

@aolnews: #Asteroid and #Meteors on the Way #NASA #Apophis

aolnews Asteroid and Meteors on the Way, NASA Says 'Stay Calm' http://aol.it/f2P7k7

http://www.aolnews.com/

When the Lyrid meteor shower hits full strength Friday and Saturday morning, it will mark a sort of planetary triple crown: Earth Day, Good Friday and Passover.

The Lyrids are one of the oldest known showers, creating a light show usually seen easily from Earth -- and completely harmless.

Until recently, though, plenty of sky watchers thought Earth would now be starting a 25-year countdown to planetary holocaust -- April 13, 2036, when the 270-meter-wide asteroid dubbed 99942 Apophis would hammer our home world with the force of two Krakatoas. Not enough to crack Earth like a rotten coconut, but enough to ruin a lot of people's day.

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