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  1. Nov 8, 2024 · 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.

  2. Feb 20, 2023 · Year length = 4333 Earth days (11.9 Earth years) 5. Saturn. Day length = 0.46 Earth days (about 11 hours) Year length = 10,756 Earth days (29.4 Earth years) 6. Uranus. Day length = 0.71 Earth days ...

  3. Feb 7, 2017 · On Earth, a sidereal days last 23 hours 56 minutes and 4.1 seconds, whereas a solar day lasts exactly 24 hours. In Venus’ case, it takes a whopping 243.025 days for the planet to rotate once on ...

  4. Spending a day on Venus would be quite a disorienting experience – that is, if your spacecraft or spacesuit could protect you from temperatures in the range of 900 degrees Fahrenheit (475 Celsius). 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.

    • Carolyn Collins Petersen
    • Mercury. The planet Mercury takes 58.6 Earth days to spin once on its axis. That may seem long, but think about this: its year is only 88 Earth days long!
    • Venus. Planet Venus spins so slowly on its axis that one day on the planet lasts nearly 243 Earth days. Because it's closer to the Sun than Earth is, the planet has a 225-day year.
    • Mars. At 24 hours and 37 minutes, the Mars day length is very similar to Earth's, which is one of the reasons that Mars is often thought of as something of a twin to Earth.
    • Jupiter. When it comes to gas giant worlds, "day length" is a more difficult thing to determine. The outer worlds don't have solid surfaces, although they do have solid cores covered with huge layers of clouds and layers of liquid metallic hydrogen and helium beneath the clouds.
  5. Jan 20, 2016 · In truth, it takes the Earth exactly 23 hours 56 minutes and 4.1 seconds to rotate once on its axis. Meanwhile, on average, a solar day on Earth is 24 hours long, which means it takes that amount ...

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  7. A planet's day is the time it takes the planet to rotate or spin once on its axis. Venus rotates much more slowly than Earth does, so a day on Venus is much longer than a day on Earth. A day on Venus lasts for 243 Earth days or 5,832 hours! A day on Earth is 23.943 hours. Venus also rotates backwards compared to the Earth and most of the other ...

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