The Earth's orbit is closest to the Sun in January and farthest from the Sun in July.When is the Earth moving the fastest in orbit?
A)Neither January nor July since the orbital speed of the Earth is a constant.
B)January
C)July
D)This occurs twice a year,in April and in October.

Question

Quizplus · Accepted Answer

The Earth moves fastest in its orbit when it is closest to the Sun, due to the stronger gravitational pull at this point. This happens in January, making option B correct.

The Earth's Orbit Is Closest to the Sun in January