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Calculating how often asteroids hit earth?

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  • Calculating how often asteroids hit earth?


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Earth Impact Effects Program Robert Marcus, H. Jay Melosh, ... Typical impact velocities are 17 km/s for asteroids and 51 km/s for comets.
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Positive: 38 %
Meteor and asteroid impacts. ... simple forms of life or the materials necessary for it to form are carried to Earth on comets or fragments of asteroids.
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Positive: 35 %

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These asteroids are known as Near Earth Asteroids, ... and they are often ... This seems to happen when the asteroid has been hit or ...
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Positive: 38 %
... has released data that indicate these sorts of asteroids could actually hit Earth ... we're mainly spotting and calculating the ... © 2016 Vox Media ...
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Positive: 33 %
Explained: Near-miss asteroids. ... But what brings asteroids close to Earth in the first ... But every so often, asteroids escape and travel as far as ...
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Positive: 19 %
A meteor shower is a celestial event in which ... so almost all of them disintegrate and never hit the Earth's ... When the meteoroids pass by Earth, ...
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Positive: 10 %

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