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  1. spaceplace.nasa.gov › years-on-other-planets › enHow Long is a Year on Other Planets? - NASA Space Place

    Nov 8, 2024 · Here is how long it takes each of the planets in our solar system to orbit around the Sun (in Earth days): Mercury: 88 days. Venus: 225 days. Earth: 365 days. Mars: 687 days. Jupiter: 4,333 days. Saturn: 10,759 days. Uranus: 30,687 days. Neptune: 60,190 days

  2. www.mentalfloss.com › posts › solar-system-planetsThe Day and Year Length of Every Planet in Our Solar System

    Feb 20, 2023 · On Venus, for example, a day is actually longer than a year: It takes our neighbor 243 Earth days to finish one axis rotation, but only about 225 Earth days to finish one entire...

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  4. www.astronomy.com › science › how-long-is-a-year-onHow long is a year on other planets? - Astronomy Magazine

    • Rotation and revolution. Years on other planets are measured using Earth’s tropical year, which lasts about 365 solar days; one solar day is the time it takes our planet to spin, or rotate, once fully on its axis, as measured by the Sun’s position over a given point.
    • Laws of motion. Kepler’s third law of motion explains that the time it takes a planet to complete a revolution is related to its distance from our star.
    • Mercury. Mercury spins on its axis very slowly and completes one rotation every 59 Earth days. However, its orbit around the Sun is speedy compared to other planets.
    • Venus. The hottest planet in the solar system takes about 225 Earth days to complete one rotation around the Sun. Venus spins very slowly and appears to rotate retrograde, or in a clockwise direction – opposite from most planets, which rotate counterclockwise, or prograde, in the same direction as they move through their orbits.

  5. spaceplace.nasa.gov › days › enHow Long Is One Day on Other Planets? - NASA Space Place

    • Option 1: A Paragraph
    • Option 2: A Table
    • Option 3: A Graph

    We can write a paragraph about how long days last on other planets. On Mercury a day lasts 1,408 hours, and on Venus it lasts 5,832 hours. On Earth and Mars it’s very similar. Earth takes 24 hours to complete one spin, and Mars takes 25 hours. The gas giants rotate really fast. Jupiter takes just 10 hours to complete one rotation. Saturn takes 11 h...

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    That’s a little bit better. We can look up and down at the numbers and can compare them more easily. But wouldn’t it be nice if we could see how big those differences are? Let’s make a graph with these numbers!

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    But what do we do about Mercury and Venus? Their days are thousandsof hours long. How do we make a graph for those? Now that you know how to make a graph, you can show all kinds of information this way. You can graph the time it takes to get to school each day, the number of pieces of pizza your friends can eat, and how many people like the color b...

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  6. solarsystem.nasa.gov › planets › venusIn Depth | Venus – NASA Solar System Exploration

    For one thing, your “day” would be 243 Earth days long – longer even than a Venus year (one trip around the Sun), which takes only 225 Earth days. For another, because of the planet's extremely slow rotation, sunrise to sunset would take 117 Earth days.

  7. spaceplace.nasa.gov › all-about-venus › enAll About Venus | NASA Space Place – NASA Science for Kids

    Nov 8, 2024 · Venus spins the opposite direction of Earth and most other planets. A day on Venus lasts 243 Earth days. A year on Venus lasts 225 Earth days. Venus does not have any moons. Venus is the second planet from the Sun. That means Mercury and Earth are Venus's neighboring planets.

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  9. space-facts.com › orbital-periods-planetsOrbital Periods of the Planets - Space Facts

    Jun 18, 2014 · The precise amount of time in Earth days it takes for each planet to complete its orbit can be seen below. Mercury: 87.97 days (0.2 years) Venus : 224.70 days (0.6 years)

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