Also the second largest impact structure on Earth, the 1.85 billion years old Sudbury crater in Canada, hosts world-class mineral deposits - in this case nickel-rich minerals that were melted and concentrated by the extreme heating caused by the impact.
The circumference of Earth at the equator is about 24,902 miles (40,075 km), but from pole-to-pole â the meridional circumference â Earth is only 24,860 miles (40,008 km) around. This shape, caused by the flattening at the poles, is called an oblate spheroid.
How big is the earth and how big is the sun? The Earth has a diameter of 8825.25(12756.28 km) and a circumference of about 25000 miles (40000 km).The Sun has a diameter of about 865000 miles (1391780km) and an equator â¦ ial circumference of about 2.7 million miles (4.4 milion km).The Sun is 109 times wider than the Earth and about 1.3 million Earths could fit inside the Sun.he Earth has a diameter of 8825.25(12756.28 km) and a circumference of about 25000 miles (40000 km). The Sun has a diameter of about 865000 miles (1391780km) and an equator â¦ ial circumference of about 2.7 million miles (4.4 milion km).