A lot of? Little bit? Do you want to know how much the Earth weighs?
Science BBC World, @bbc_ciencia 9 September 2014 image source, Thinkstock To know how much the Earth weighs, you have to take gravity into account and read this note to the…
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Science BBC World, @bbc_ciencia 9 September 2014 image source, Thinkstock To know how much the Earth weighs, you have to take gravity into account and read this note to the…