• Question: how old is the earth?

    Asked by sard1apt on 13 Mar 2024.
    • Photo: Martin McCoustra

      Martin McCoustra answered on 13 Mar 2024:

      The Earth was formed a little ofter the Sun around 4,500,000,000 years ago. We can see this process occuring in othe places in our galaxay today when we look for proto-planetary nebulae. Have a look here… https://en.wikipedia.org/wiki/Protoplanetary_disk

    • Photo: Caroline Roche

      Caroline Roche answered on 7 Jun 2024:

      The earth is around 4.5 billion years old, with the earliest life appearing around 3.5 billion years ago.