More from Maggie Mckee
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Day dawns for X Prize space shot
News
Last-minute delay for X Prize rival
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Space
Titanic merger of galaxy clusters revealed
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Antarctic glaciers slipping faster into the sea
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Hubble heats debate over ionised universe
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Misbehaving liquid sent into space
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Methane on Mars causes controversy
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Traffic deaths rise after terror attacks
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Spacecrafts powered by thunder
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Wrecked craft may give up its secrets
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Pulsating red giants hide inside deceptive shells
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Mars laser will beam super-fast data
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