Question

When is the earth’s orbital motion around the sun fastest and when is it slowest? In which month
of the year is the earth closest to the sun? Explain in not more than 50 words.

Answer 1

The Earth moves fastest along its orbit at its perihelion, when it's closest to the sun, around January 4, and slowest when it's at its aphelion, when it's farthest from the sun, around July 4.