Low Density Supersonic Decelerator
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Nasa tests Mars landing technology

29 June 2014 Last updated at 16:25 BST

US space agency Nasa has sent a flying-saucer shaped vehicle high into the earth's atmosphere in an effort to discover future Mars landing technologies.

The Low Density Supersonic Decelerator was sent into the atmosphere via a helium balloon and then ditched in the Pacific after its flight.

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