• Question: How big is the earth?

    Asked by 796nch35 to Simon, Julia, Delma, Andrew, Alex on 14 Dec 2015.
    • Photo: Delma Childers

      Delma Childers answered on 14 Dec 2015:

      From our perspective, Earth is a big planet. It’s the largest of the non-gas planets in our solar system. But here’s a video that will show you just how small Earth is:

    • Photo: Alexander Finch

      Alexander Finch answered on 14 Dec 2015:

      This’ pretty big – I couldn’t walk around it; that’s for sure. It is just over 40000km around it. It would take a fast, modern airliner plane about two days of continuous flying to get all the way around – a super long journey, right?

      Satellites and the space station, however, cover this distance in about an hour and a half. This is because they are moving so fast – more than 7 kilometres every second! To get that fast is why large rockets are needed.