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The length of a day on a planet is how long it takes to spin on its axis. The length of a day on Mercury is 58 days and 15 hours in Earth time. A day on Venus is 243 Earth days, Mars is 24 hours 39 minutes and 35 seconds, Jupiter's day is 9.9 Earth hours, Saturn is 10 hours and 47 minutes, Uranus is 17 hours 14 minutes and 24 seconds, and Neptune's day is 16 hours 6 minutes and 36 seconds.

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How long would it take to travel from earth to every planet in the solar system one at a time?

The time it would take to travel to each planet one at a time would depend on the distance between each planet, the speed of travel, and the alignment of the planets. On average, it could take several years to visit all the planets in the solar system due to the vast distances and differing orbits of each planet.


What does an planet completes one of these everyday?

A planet completes one rotation on its axis every day, causing day and night cycles.


What is it called when a planet complete spin on its axis?

A planet completing one full rotation on its axis is called a "day." This is what determines the length of a day on that planet.


What is a planetary day?

One full revolution of that planet. The planetary day of Earth is 24 Earth hours long. Other planets spin at various speeds, with Jupiter the fastest (shortest day) and Venus the longest (barely rotating, and in the opposite direction of its orbit). Because of the short year on Mercury (88 Earth days), and its long day (59 Earth days), the apparent "solar day" on its surface is twice its year, or 176 Earth Days.


If a planet orbits the sun but does not rotate on its axis at all how long would a day be on that planet?

That depends on what you're asking. If it has no rotation, as in, it faces a fixed point in space, the day and night would each be half the length of its orbital period, or year. For the Earth, that would be 6 months. However, that is pretty much impossible. What normally happens is that for various reasons, planetary rotation slows until one face remains tidally locked toward the star. In that case, one side has perpetual day, the other perpetual night. There's also a 3:2 resonance where the planet appears to rotate backward, like Venus.

Related Questions

How long does it take for each planet to rotate around itself?

One day


How long it takes the planet to orbit the sun?

one day


What planet rotates on its axis in one day?

The Earth rotates on its axis in one day. Strictly speaking that's the "sidereal day" not the "solar day". Also, by definition, each planet rotates once in a period that's the "sidereal day" for that particular planet.


How long does it take for the planet mercury to rotate in one day?

59 day noy are uahppy


How many earth days is one day on this planet?

This is planet Earth, so one Earth day is one day on this planet.


How long is one day on the planet Phobos?

30.5 the same as deimos30.5 what?Phobos and Deimos are both moons of the planet Mars.


How long can baby bunnies eat each day?

one to two pounds each day.


How long would it take to travel from earth to every planet in the solar system one at a time?

The time it would take to travel to each planet one at a time would depend on the distance between each planet, the speed of travel, and the alignment of the planets. On average, it could take several years to visit all the planets in the solar system due to the vast distances and differing orbits of each planet.


Does mercury have a day and night?

Yep! All planets do, one day happens after each individual planet spins around completely while orbiting the sun! Each day for each planet is different! Some other planets have days that are 243 Earth days to 10 hours! Hope that helps!!


How long in one day in mars?

The length of a day on the planet Mars is 24 hours and 37 minutes. One year on the planet is equal to 680 days on Earth.


How long is one planetary day?

It depends on which planet your talking about, for example if your talking about Earth its about 24 hours.


How long is 1 FarmVille day?

One farmville day is 23 hours long (according to Zangya FAQ pages), 1 hour shorter than on planet earth...