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  1. Fun Facts
  2. A day on Venus is longer than a year on Venus
Fun Fact🟢 easySpace

A day on Venus is longer than a year on Venus

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Venus rotates very slowly — one rotation takes 243 Earth days. But it orbits the Sun in only 225 Earth days. So a Venusian day is longer than its year. Venus also rotates backward compared to most planets.

Why this works

At first glance, this riddle might leave you scratching your head, as it seems to defy our everyday understanding of time. However, the secret lies in the unique characteristics of Venus's rotation and orbit. While we typically think of a day as the time it takes a planet to complete one full rotation on its axis, Venus takes an astonishing 243 Earth days to achieve this, making its day longer than the 225 Earth days it takes to orbit the Sun. This curious relationship between rotation and revolution gives rise to the delightful paradox that a day on Venus outlasts a year! Beyond the numbers, there's a fascinating twist to Venus's rotation: it spins in the opposite direction, or retrograde, compared to most planets in our solar system. This means that if you were standing on the surface of Venus, you would see the Sun rise in the west and set in the east—an upside-down experience that further emphasizes the planet's peculiarity. The riddle cleverly plays with our expectations of time, drawing us into a cosmic dance where the rules we take for granted don't apply. For those intrigued by riddles and their connections to astronomy, here's a fun fact: Venus is often called Earth's "sister planet" due to its similar size and composition, but its extreme conditions—a thick atmosphere of carbon dioxide and surface temperatures hot enough to melt lead—make it a world utterly alien to us. This stark contrast serves as a reminder of the wonders and mysteries of our solar system, where even the simplest concepts can yield the most captivating surprises.

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