What Is The Exact Size Of The Earth?

What Is The Exact Size Of The Earth? Its diameter (the distance from one side to the other through Earth’s center) is 7,926 miles (about 12,756 kilometers). Earth is slightly smaller when measured between the North and South Poles which gives a diameter of 7,907 miles (12,725 kilometers). What is Earth’s size and shape? It

What Is The Formula For Angular Diameter?

What Is The Formula For Angular Diameter? Therefore they appear to be small, and it is more practical to measure their angular sizes in seconds of arc, rather than minutes or degrees. What do you mean by angular diameter? The angular diameter, angular size, apparent diameter, or apparent size is an angular distance describing how