Question

Why does earth move in a orbit

Answer 1

Earth's core pull surrounding space to the core. This space energy (negative) meet with core (positive energy) and result is the rotation energy. That's why earth rotate in its own axis.

Answer 2

planet orbiting the Sun is like the moon or a NASA satellite orbiting Earth. Now why does a ... Well, in addition to falling toward the Sun, the planets are moving sideways. This is the ...