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Asked by anon-245792 to Sam, Samantha, Nicol, Lori-Ann, Liam, David on 10 Mar 2020.
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Samantha Faircloth answered on 10 Mar 2020:
Hello Milov, scientists have worked this out from knowing the size (volume) of the Earth and its density (that is, how much stuff is crammed into a tiny space). They believe the earth to weigh (known as ‘mass’) about 5970000000000000000000000 kilograms!! 🙂
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Lori-Ann Foley answered on 10 Mar 2020:
The mass of the Earth is 6 followed by 24 zeros kg – so lots and lots. 🙂 Other planets have bigger masses, like the giants Jupiter and Saturn, but they are less dense than Earth because Earth is made of rocks and Jupiter and Saturn are mostly gas. And people like to say that Saturn could actually float in water – if you could find a big enough pool – because it is less dense than water. But truthfully because it is a ball of gas and doesn’t really have a solid surface, it couldn’t float in water. But it is fun to think about! 🙂
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