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Space Travel in the 21st Century - The Sky At Night: 700 Not Out - BBC Four

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Uploaded by on Mar 10, 2011

More about this programme: http://www.bbc.co.uk/programmes/b00z9n1z

Sir Patrick Moore is joined by Professor Brian Cox, Dr Chris Lintott, leading space scientist Professor David Southwood, and amateur astronomer and impressionist Jon Culshaw, to discuss the future of space exploration in the 21st Century.

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  • The moment money will cease to exist we will start a new journey towards the stars Sir Patrick dreams of when he sleeps.

  • they put one of the mars probes on earth to test and it did not find life. this is why a manned mission is so important.

  • @kazee123 Nothing in the law's of physics prohibits time travel, when you move near the speed of light time speeds up, so for ex: if you travelled at near light speed for 1 year, 10 would pass for others around you

  • that old old guy in the chair looks old

  • @STABBERBALBOA really now.... so u can travel to something that hasnt happened yet? interesting

  • Time travel is possible to the future all you need to do is move near the speed of light, human cant travel at the speed of light due to us having mass

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