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Cosmic collisions

This computer graphic depicts the path of comet 2013 A1, (Siding Spring) through the inner solar system. Photo: NASA\JPL-Caltech

New calculations rule out the possibility of the comet hitting Mars in 2014

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Comet 2013 A1 near Mars, wrapping its tail around it. Forecast for the event that will take place in October 2014. Image: NASA

Collision path: A comet makes its way towards Mars

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Comet Alanin disintegrates, as photographed by its discoverer Leonid Alanin on October 6, 2011. Courtesy UNIVERSE TODAY

The end of the world has not come again: Comet Alanin passed at a distance of 35 million km from the Earth

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Four visualizations from a computer simulation showing the collision between the moon and a smaller companion moon. The simulation shows that most of the contents of the small moon come together and become a pancake-like layer that currently constitutes the mountainous area on one side of the moon - the side far from Earth. Illustration: M. Jutzi and E. Asphaug, Nature.

A second moon orbited the Earth billions of years ago

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P/2010 A2 - comet-like asteroid

Hubble observed and confirmed that the suspicious object is indeed a remnant of an asteroid collision

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Has Jupiter been hit by a comet or asteroid again?

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Fragments of the large meteor that crashed in Canada last week and lit up the sky have been discovered

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A hole in the galaxy - Hubble continues his work

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Did the platinum and iridium come from asteroids and comets crashing into the earth?

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Evidence is accumulating for the theory of the asteroid that exploded 13 thousand years ago

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A large asteroid hit but the bacteria below the surface of the ground were not harmed

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The northern hemisphere of Mars is the largest impact crater in the solar system

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Is there a date for the next great extinction?

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Asteroid 2007 WD5 will not hit Mars on January 30th

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The source of the asteroid that wiped out the dinosaurs has been discovered

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Hubble: a sharp and clear look at two galaxies in the collision process

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Scientists: "Build Noah's Ark on the Moon"

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Catastrophe Calculator: Online Calculation of Asteroid Collision Outcomes

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An impressive collision gave the galaxy a "black eye"

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A new reassuring prediction: there is no chance of a fatal impact of a giant asteroid on the Earth

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1:3 chance of a large asteroid hitting Earth in the 21st century

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Dangerous asteroid alert

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Arthur C. Clark: We must prevent the danger

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