The circumference is the distance around the Earth at it's widest point. The diameter goes through the center of the Earth from one side to the other.
Earth's Circumference is 24,901 miles (40,075 km)
The earth's center of gravity is the center of the earth, or the center of the mass with the mass being the earth. The earth spins as it moves through space on account of sun's gravitational forces and because there is nothing in space to get in the way or stop the earth from rotating.
The circumference of the earth in miles is about 24,901 miles. The diameter is about 7,926 miles.
google it :P (The circumference of the earth at the equator is 24,901.55 miles)
Eratosthenes is credited with calclating the circumference of the Earth at the equivalent of 25,000 miles/40,000km in about 205 BCE.
The Earth's mass, and how far you are from the center of the Earth.
The circumference of the Earth measured between the North and South poles is approximately 40,007.86 kilometers.
The moon is about one fourth the size of the Earth. It has an equatorial circumference of 10,917 kilometers, or 6783.5 miles.
7926 miles and 12760 km. Thats Pretty long.
Yes.
The circumference of the Earth at the equator is about 24,901 miles, or 40,075 km. Earth is not a sphere, but is "flattened" at the poles. or oblate spheroid.
the center of the earth is called the inner core then you have the outer core and then you have the mantle and lastly the earths crust