• Question: Do you think that some time in the future it will be known that there is other planets other than us and the 7 main ones? And what do you think it would most likely to be made of?

    Asked by away362map to Joanna on 21 Nov 2019.
    • Photo: Joanna Barstow

      Joanna Barstow answered on 21 Nov 2019:


      We already know – we have found over 4,000 planets orbiting other stars.

      There is also speculation that there might be another planet hiding at the outer edges of our own Solar System (Planet Nine) but we don’t have any substantial evidence for this yet.

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