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asteroids

Largest asteroid to come near Earth for 19 years

Space

Largest asteroid to come near Earth for 19 years

The 250-metre space rock will venture as close as 1.4 times the Moon's distance on Tuesday – new radar images reveal its lopsided shape

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Comet samples are surprisingly asteroid-like

Space

Comet samples are surprisingly asteroid-like

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Risk of Mars impact drops to 1 in 10,000

Space

Risk of Mars impact drops to 1 in 10,000

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Meteor shower's origin remains a mystery

Space

Meteor shower's origin remains a mystery

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Possible Mars impact highlights risk to Earth

Space

Possible Mars impact highlights risk to Earth

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Space

Asteroid may hit Mars in January

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Small asteroids can pack a mighty punch

Space

Small asteroids can pack a mighty punch

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Space probe targets third comet after second vanishes

Space

Space probe targets third comet after second vanishes

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Did a comet kick-start Earth's plate tectonics?

Earth

Did a comet kick-start Earth's plate tectonics?

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Space

Deflected asteroids may keep coming back

Earth's gravity may pull a diverted asteroid back on a collision course the next time its orbit brings it close, researchers warn

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Space

Astronomers defend asteroid warning mix-up

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Space

NASA blasted for ignoring smaller asteroids

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Space

Dazzling comet outburst continues to mystify

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Space

Comet brightens mysteriously by a factor of a million

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