GENERAL KNOWLEDGE

GK

SOLAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is a “rotation”?
A
When a planet orbits around the sun.
B
When a planet turns on its axis, facing the sun part of the time and away from the sun part of the time.
C
When the Sun moves around a planet, turning it into day or night.
D
The orbit of a planet as it revolves around the Sun.
Explanation: 

Detailed explanation-1: -Each planet rotates, or spins, on its axis. The rotation of the Earth on its axis causes day and night. As the Earth rotates, only one-half of the Earth faces the sun at any given time. The half facing the sun is light (day) and the half facing away from the sun is dark (night).

Detailed explanation-2: -The time a planet takes to revolve around the sun is called a year.

Detailed explanation-3: -The earth receives light from the sun. Due to the spherical shape of the earth, only half of it gets light from the sun at a time. During rotation, the portion of earth facing the sun experiences day while the other half away from the sun experiences night. Was this answer helpful?

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