Question

The sidereal day is shorter than the solar day by about ______.

Options

• 4 minutes

• 2 minutes

• 3 minutes

• 5 minutes

Answer 1

The sidereal day is shorter than the solar day by about 4 minutes.

Explanation:

A sidereal day is the time earth takes to rotate once relative to the stars, about 4 minutes shorter than the solar day because earth moves in its orbit, requiring extra rotation time for the Sun to be at the same position in the sky.