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February 1st, 2017

Use stars’ own light to park tiny spacecraft at an exoplanet

Abstract:
However, lasers fired from Earth can accelerate ultra-light solar sails made from graphene to around 20 per cent of the speed of light within a few minutes. That means an interstellar probe could reach the Alpha Centauri system – including the Earth-mass planet orbiting its companion star, Proxima Centauri – just 20 years after launch.

Source:
newscientist.com

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