Is NASA keeping the danger of a potential impact secret? – A 13-year-old German boy working on a science project recently corrected NASA’s estimates on the chances of an asteroid hitting the earth. He figured out that there is a 1 in 450 chance that the Apophis asteroid will hit us, while NASA claims that the odds are only 1 in 45,000.
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UPDATE – An asteroid passed by close to the earth in a near miss. One day, we may be directly in the path of an upcoming space rock. This one missed us, but we are STILL in the path of a falling spy satellite!

BBC News reports that a 600-foot-wide asteroid passed by the earth without hitting us. It swept by just outside the moon’s orbit.
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Fear of space rock impacts have ussearching theskies for the latest incoming asteroid. In the past,collisions with objects from space have not onlydestroyed lifeon earth, they have alsocreated it. Anasteroid is headed for Mars?will this happen there too?
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The asteroid threat continues, and scientists continue to work frantically to figure out how to deflect dangerous asteroids that may be heading our way, before they impact the earth?or infect us with dangerous alien bacteria.

In New Scientist magazine, David Shiga writes that “a swarm of mirror-bearing spacecraft could deflect an asteroid by focusing sunlight on its surface.” They would heat up its surface and vaporize it. As gases evaporating from the asteroid, they would create a small thrust in the opposite direction and change its orbit so that it would (hopefully) miss the earth.

A major impact may not be the only threat from asteroids. Can bacteria hitch a ride from one planet to another on a space rock? And if it can, is this good or bad?
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