Question

The axis of the Earth is tilted at an angle of 66 1/2° from the orbital plane:

• A. parallelism of the Earth's axis
• B. equatorial bulge
• C. axial precession
• D. obliquity

Answer 1

Answer:

A. parallelism of the Earth's axis

Parallelism to the earth's axis

• The axis of the earth is titled at an angel of 66 1/2° from the orbital plane. The earth maintains this tilt throughout it's revolution. This is known as the parallelism of the Earth's axis.

• Aphelion - The day on which the Sun and the Earth are farthest is known as Aphelion. It is on 4th July

• Perihelion - The day on which the Sun and the earth are nearest is known as perihelion. It is on 3rd January.