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Once. that is how the length of our year determined.

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14y ago

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How is a year on a PLANET?

On Earth, a year is the time Earth takes to travel once around the Sun. The term "year", applied to other planets, may either refer to a standard Earth year, which is a very convenient unit of time, or to the time the planet takes to go once around the Sun. As an example, a "year" on Jupiter takes about 12 Earth years.


How may times does the sun rotate around the earth i one year?

The sun does not rotate around the earth. Ever. The Earth rotates around the sun once in one year.


How may time does the earth spin completely around its axis in twenty four hours?

One time. It takes a full year for the Earth to revolve around the sun, but it takes Earth only one day to rotate on its axis. The actual time it takes the earth to rotate is 23 hours and 56 minutes. That is why we have an extra day every four years, known as leap year. But yes one rotation is known as a day or 24 hours officially.


How may times does the Earth revolve around the sun?

The Earth revolves around the Sun once every 365 1/4 days ... once per year.


How can a day be longer than a year?

Venus takes 224.7 Earth days to revolve about the Sun and 243.02 Earth days to rotate about its axis (which it does clockwise, opposite to most of the other planets). This rotation period is a "sidereal day", the time to revolve around the Sun is a Venus "year". Mercury takes 88 Earth days to go around the Sun, so its year is 88 Earth days. It spins slowly, taking 58.6 Earth days. A "solar day" on Mercury takes 176 Earth days because of this slow spin relative to the time taken to orbit. So Venus has a sidereal day longer than its year and Mercury has a solar day longer than its year.


What is the movement of earth around the sun once a year called?

Obviously, it is called a year. It is also one full revolution of the earth. The earth revolves around the sun, and it rotates on its axis.apexRevolution


How may tomes does earth go?

Earth takes approximately 365.25 days to complete one orbit around the Sun, which equals one year.


When is the revolution of mercury?

Revolution period around the Sun: about 88 Earth days. You may mean the time to rotate once and that is: about 58.6 Earth days.


Why is one day on the moon a year?

A day is time that elapses during an astronomical objects (in this case a moon) complete rotation around its own axis.A year is time that elapses during objects complete rotation around its parent object (in our case its a planet Earth) which holds it in its orbit by gravitational force.A day and a year on the Moon (Earths natural satellite, not any natural satellite) are almost equal in their duration, thus we may say that "one day on the moon is a year".


Why night is 4 minutes shorter than day?

Depending on where on Earth you are, and what the date is, your night may belonger or shorter than your day, by any number of minutes. Your day or yournight also may be more than 24 hours long, and can even be 6 months long.It just depends on where you are, and the time of year.


Are the same stars visible every night of the year from every location on earth?

No, the stars visible in the night sky change based on the Earth's rotation and its orbit around the Sun. The stars visible from a specific location depend on the time of year and the latitude of the observer. Some stars are circumpolar and are always visible in certain locations, while others may only be visible at certain times of the year.


How long is a year in space?

A year in space is the same length as a year on Earth, approximately 365.25 days. However, astronauts in space may experience slightly different time durations due to the effects of time dilation from traveling at high speeds.