• Question: will scientist ever know about different solar systems and the life on them or will that forever be a mystery to the human race?

    Asked by Aoife. to Mark on 10 Nov 2016.
    • Photo: Mark Kennedy

      Mark Kennedy answered on 10 Nov 2016:

      We already know about other solar systems!! In fact, we know that the closest star to use (Proxima Centauri) has at least 2 planets orbiting it, one which is very similar to Earth (we think).

      As for life? Maybe? There is a project on Earth called SETI (the Search for Extra-Terrestrial Intelligence) which has been monitoring the skies for signals from aliens for decades. So far, they haven’t detected anything (other than the famous WOW! signal (https://en.wikipedia.org/wiki/Wow!_signal). But maybe some day they will detect signals coming from an advanced civilization.

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