WATCH | The secret to interstellar travel

2019-11-20 18:45
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Interstellar travel has been humanity's dream for decades.

Our greatest scientists and engineers have been trying to work out exactly how we can branch out from Earth, to live in amongst the stars in the wider universe.

From breaking the speed of light to preserving human bodies to survive space exploration - what is stopping us from travelling to other galaxies?

PICS: This is what the first space hotel will look like

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