GENERAL KNOWLEDGE

GK

SOLAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Earth’s 24 hour day is caused by its ____
A
revolution around the sun
B
rotation on its axis
C
moon’s orbiting around it
D
eclipsing the sun
Explanation: 

Detailed explanation-1: -The Earth rotates on its axis relative to the sun every 24.0 hours mean solar time, with an inclination of 23.45 degrees from the plane of its orbit around the sun. Mean solar time represents an average of the variations caused by Earth’s non-circular orbit.

Detailed explanation-2: -It takes 24 hours to complete one rotation, which is why there are 24 hours in one day. In other words, if the sun is visible in the morning starting around 6:00 AM, the Earth will spin completely around by the next morning at 6:00 AM and you will see the sun in about the same place.

Detailed explanation-3: -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).

There is 1 question to complete.