On Earth these two measurements are almost the same but on Venus they are very different. This is actually longer than a year on Venus (224.7 Earth days). So, if we put simple logic, on Venus, a decade would be 225 x 10 = 2250 days. A. 1. In Venus 1 day is equivalent to 243 earth days and 1 year is equivalent to 225 earth days. It rotates in the direction of Earth and the other planets in the Solar System (Uranus spins on its side). Kevin Gill/Flickr/CC BY 2.0. That's the equivalent of 243 Earth days. One day on Venus is about 243 Earth days long. Venus rotates around itself so slow that it complete onw orbit around the sun before that. Over this period, 82 days have been longer than today, while 284 have been shorter than today. 24 Earth days C. 93 Earth days D. 124 Earth days E. 176 Earth days Correct answer: E (176 Earth days) 2. Venus also rotates in the opposite direction to the other planets in the Solar System. It spins only once every 243 Earth days. Which planet has virtually no atmosphere? Planet Venus spins so slowly on its axis that one day on the planet lasts nearly 243 Earth days. This surprising statistic is due to the fact that Venus spins much more slowly than Earth– in fact, the slowest of any planet – so it takes much longer for the planet to complete one full rotation. On Venus this is 243.025 Earth days. Because it's closer to the Sun than Earth is, the planet has a 225-day year. The planet Venus has the slowest rotation of any major planet in our solar sytsem. One day on Venus is 243 Earth days long. , a day on Venus is longer than a year on Venus. He recorded information about the orbit and the rotation of each planet in the table below.How long is a day on Venus? It also takes Venus 225 Earth days to orbit the Sun, so one day on Venus (one rotation around it's axis) is actually longer than one trip around the Sun (a Venus year.) A. Mars B. Mercury C. Neptune D. Uranus E. Venus correct answer: B 3. Why is a day on Venus longer than a year? The first definition, the rotation period, is called a "sidereal day". Mercury - about 59 days; Venus - 243 days; Earth - 1 day; Mars - about 1 day, 0.6 hours; Jupiter - 9 hours; Saturn - about 10 hours; Uranus - about 13 hours; Neptune - about 15 hours; Increasing day length on Earth. About how long is a solar day on Mercury? For example, a day on Venus lasts for 5,832 hours. If every day was as long as today, a leap second would have to be added every 1998.80 days. Length of the day on other planets. It takes Venus 243 days to do this. This uses Earth time. One year on Venus is almost 225 Earth days long. The second definition, based on the Sun's position in the sky, is called a "solar day". 243 Earth days Just as Earth moves around the sun, the moon revolves around Earth. The rotation of Venus on its axis is retrograde. 0.5 Earth days B. 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