SOLAR SYSTEM

UNIVERSE

SOLAR SYSTEM FORMATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How long does it take for Earth to revolve around the Sun once?
A
24 hours
B
1 year (365 days)
C
1 month
D
1 week
Explanation: 

Detailed explanation-1: -Earth revolves around the sun in 365 days, 5 hours, 59 minutes and 16 seconds. The time a planet takes to revolve around the sun is called a year.

Detailed explanation-2: -Earth takes about 365 1/4 days to revolve around the sun. As we take 365 days for a year, the difference of 1/4 of a day requires adjustment. This is why we add one day to February every four years.

Detailed explanation-3: -It takes earth approximately 365.25 days to complete one revolution around the earth. Thus earth takes one year to complete one revolution around the sun. One day is approximately 23 hours and 56 minutes and thus it takes 365 times one day to complete a revolution.

Detailed explanation-4: -So in one year, Earth travels about 584 million miles (940 million km). Since speed is equal to the distance traveled over the time taken, Earth’s speed is calculated by dividing 584 million miles (940 million km) by 365.25 days and dividing that result by 24 hours to get miles per hour or km per hour.

Detailed explanation-5: -How many times does Earth rotate on its axis in one year? Earth rotates (spins) 365.25 times in a year. It rotates once every twenty four hours, while also orbiting the sun once every 365.25 days. These two motions are happening at the same time.

Detailed explanation-6: -The Earth completes one orbital revolution around the Sun in 365 days 5 hrs. The Earth has an atmosphere composed of 78% nitrogen, 21% oxygen, and traces of other gases including carbon dioxide and water vapor. The atmosphere provides the medium for the important water cycle and life cycles that occur on the planet.

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