EVERYDAY SCIENCE

SCIENCE

PHYSICAL SCIENCES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Earth orbits on its axis in 25 hours.(page 15)
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -The Earth’s axis runs from the North Pole to the South Pole. It takes the Earth 24 hours, or one day, to make one complete rotation around this invisible line.

Detailed explanation-2: -Earth makes one complete rotation on its axis every 23 hours and 56 minutes, which is rounded up to 24 hours.

Detailed explanation-3: -The time it takes Earth to rotate so the sun appears in the same position in the sky, known as a solar day, is 24 hours. However, the time it takes Earth to complete one full rotation on its axis with respect to distant stars is actually 23 hours 56 minutes 4.091 seconds, known as a sidereal … day.

Detailed explanation-4: -Earth’s rotation or Earth’s spin is the rotation of planet Earth around its own axis, as well as changes in the orientation of the rotation axis in space. Earth rotates eastward, in prograde motion. As viewed from the northern polar star Polaris, Earth turns counterclockwise.

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