It's a big world out there
Earth has a diameter at the Equator of about 12,756 kilometers (7,926 miles), making it the fifth largest planet in the solar system. Earth’s mass is about 5.97 ⨉ 1024 kilograms. Dividing this mass by Earth’s volume results in an average density of approximately 5,517 kilograms per cubic meter. This density reflects the composition of Earth’s interior, which is composed of elements like iron and nickel.
While often referred to as a sphere, Earth is actually an oblate spheroid, meaning it is slightly flattened at the poles and bulging at the Equator. Earth’s surface area is about 510 million square kilometers (197 million square miles). The surface is divided into land and water, with about 71 percent covered by oceans.
ell, that's what Britannica.com says.
It's a big world.
- 193 countries (or more, if you count places like Taiwan & the Vatican).
- 7,159 languages - not counting dialects (https://www.ethnologue.com/insights/how-many-languages/)
- 8.3 billion people
It's a big world and I want to see it all, but how do I get from here to there?
Where do you want to go? What do you need to make it happen?
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