NASA Travel just 4.37 light years away from our planet (in the correct direction, of course), and you’ll come into contact with our closest neighboring star system, Alpha Centauri. Unlike our own solar system, which orbits one star (the Sun), Alpha Centauri is a triple star system meaning that it has – you guessed it – three stars in total. At the centre is the binary pair Alpha Centauri A and B, with the third star – Proxima Centauri – a red dw…
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A novel light drive from tiny metajets is designed to speed up interstellar journeys enormously. Researchers navigate objects precisely through laser beams. A flight to the star system Alpha Centauri may take only twenty years. (Read more)