How Big Is The Earth?

In school we're studying our planet and I've noticed the earth is huge. People say we will overpopulate it but it will be a hard job since it is enormous.
I was wondering how exactly big is planet earth?
Is there smaller planets than earth?

asked by Edgard in Science | 6051 views | 07-20-2009 at 03:09 PM

We are in a big planet, but earth is very tiny when compared to other planets and the universe.

The circumference of the Earth is about 40,000 kilometers or 24,900 miles. This refers to how big the Earth is around it's fattest middle part. Because the Earth isn't shaped like a perfectly round sphere, it's a little wider going around the equator than it is if you measure the circumference from top to bottom, but only by about 42 miles.

The total surface area of the Earth is about 500,000,000 square kilometers. “Surface area” refers to all of the area of the lands surface, such as oceans and continents.

answered by Ocean | 07-20-2009 at 03:11 PM

Some visual help:
Compared to these worlds, the Earth still looks very large.

But when you compare the Earth with its larger neighbors, you can see how small planet earth really is.

What really huge is the universe, scientists doesn't even know if it has an end.

answered by Tube | 07-20-2009 at 03:14 PM

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