• Question: How many light years away is the nearest solar system?

    Asked by anon-208935 to Hannah on 7 Mar 2019.
    • Photo: Hannah Dalgleish

      Hannah Dalgleish answered on 7 Mar 2019:

      Alpha Centauri is the closest planetary system at 4.4 light-years away. It would take about 100 years to get there, if you were travelling at an average velocity of 13,400 km/s (about 4.5% the speed of light).

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