• Question: Are stars hot or cold

    Asked by ashy532hock22 to Martin M on 6 Mar 2026.
    • Photo: Martin McCoustra

      Martin McCoustra answered on 6 Mar 2026:

      One of the interesting things about stars is you can tell how hot they are by looking at their colour. Blue stars are very hot… But red stars are much cooler. Our on star is somewhere in between.

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