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It known that by default the commulative effect of days gives you year specially in planetary motion.

Could there be a day is longer than a year in galaxies of planetary motion?

11 Answers

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Yes, it is possible for a planet to have a day longer than its year if it rotates very slowly or is tidally locked to its star.
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Well, it's a bit complicated, but let me try to explain it in a way that's easier to understand. So, when we talk about a day or a year in planetary motion, we're usually referring to the time it takes for a planet to rotate on its axis (day) or orbit around its star (year).

Now, in some galaxies, there are planets that are very close to their stars, and they orbit their stars very quickly. This means that their days are very short, sometimes just a few hours. However, their years are also very short, sometimes just a few days or even hours. So, in a way, their days are longer than their years!

On the other hand, there are also planets that are very far from their stars, and they orbit their stars very slowly. This means that their days and years are both very long, sometimes lasting for hundreds or even thousands of Earth years. So, in a way, their years are longer than their days!

It all depends on how fast a planet is orbiting its star, and how long its day is compared to its year. But no matter how you look at it, planetary motion is a fascinating and complex topic!
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Yes ,it could be be possible but we can't be precise since we haven't visited any except ours . it is also not precise that there is another universe except ours , we only see it in movies
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Hello dear we have single but vast universe.Science proves that there are billions of galaxies
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No , it is not possible for a day to be longer than a year in the context of planetary motion in galaxies , as the concept of a day and a year are based on the relative motion of a planet around it's star.
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But there is a planet with a very slow rotation to finish its own axis but has very very high revolutionary velocity around its star and finally attained first before its rotation.What do you say about this? 
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What about planet Venus?Do you know one day of venus is about 243 earth days while one year of venus is about 225 earth days.What do you say about this information?
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In the universe as we presently understand it, it is extremely impossible that a day could last longer than a year.

A planet's day is determined by how long it takes for one spin of its axis to complete, whereas a planet's year is determined by how long it takes for one orbit to complete. Because of the gravitational pull of the sun, the rotation of the planets is synchronized with their orbits around it, which is why the length of a day and a year are closely tied in our solar system.
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Thanks for you answer but not the way you think.One best example is from our solar system do you know about the day and year of planet VENUS!

you will be surprised please go and search for it!!
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No it can't be possible for a day to be longer than a year in the context of planetary motionin galaxies.it depend on the motion of planet.
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In planetary motion, a year is typically defined as the time it takes for a planet to complete one orbit around its star. It is not possible for a day to be longer than a year in such motion.
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No, it is not possible for a day to be longer than a year in the universe. This is because a day is the amount of time it takes for a planet or other celestial body to complete one rotation, while a year is the amount of time it takes for that body to complete one orbit around its star. Therefore, a day will always be shorter than a year.
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No , it is not possible for a day to be longer than a year in the context of planetary motion in galaxies , as the concept of a day and a year are based on the relative motion
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But I think you have to search the DAY and YEAR of planet venus and you finally get a surprising conclusion.
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It is not possible for a day to be longer than a year in our current understanding of the universe. 

A day is defined as the time it takes for a planet to complete one rotation on its axis, while a year is defined as the time it takes for a planet to complete one orbit around its star. Since a planet's rotation and orbital periods are determined by the gravitational forces acting on it, it is not physically possible for a planet's rotation period to exceed its orbital period. 

However, there are some peculiar cases in the universe where the concept of a "day" or a "year" may not be well-defined or may have very different values compared to those on Earth. For example, some planets orbiting very close to their stars may
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My dear brother you had better search for planet venus in our solar system and you will get  a surprising answer.
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No, it is not possible for a day to be longer than a year in terms of planetary motion. This is because a day is defined as thetime taken for one rotation of a planet on its axis, while a year is the time taken for one complete orbit around its star. 
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