GENERAL KNOWLEDGE

GK

SOLAR SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Earth completes one full ____ on its axis every 24 hours.
A
rotation
B
revolution
C
resolution
D
reservation
Explanation: 

Detailed explanation-1: -The Earth rotates on its axis, completing one revolution every 24 hours with respect to the Sun (23 hrs 56 min with respect to the stars). The axis of the Earth is tilted at 23 degees and 27 minutes relative to its orbital plane about the Sun. This produces seasons on the surface of the Earth.

Detailed explanation-2: -According to Time and Date, on average, with respect to the Sun, Earth rotates once every 86, 400 seconds, which equals 24 hours, or one mean solar day. Scientists believe that an average day in 2021 will be 0.05 milliseconds shorter than 86, 400 seconds.

Detailed explanation-3: -Once every 24 hours Earth turns-or rotates on its axis-taking all of us with it. When we are on the side of Earth that is facing the Sun, we have daylight. As Earth continues its spin, we are moved to the side facing away from our Sun, and we have nighttime.

There is 1 question to complete.