In the late Neoproterozoic about 620 million years ago a day had only about 21.9±0.4 hours. We’ve written many articles about Mercury for Universe Today. Trending Posts. Your email address will not be published. One day for Mercury is equal to 4222.6 Mercurian hours (or 1407.6 Earth hours). And because of its virtually non-existence atmosphere and slow rotation, temperatures on its surface range from being extremely hot to extremely cold. Eclipsewise 2019 transit of mercury mercury s year length is only 88 days mercury colonization today is not 24 hours long what makes the earth spin on its axis How Long Is Day On Mercury Universe TodayWhich Pla Has The Longest Day Plas TodayHow Long Is A Year On Other Plas UniverseHow Long Is One… Read More » Due to its rapid orbital velocity and slow sidereal rotation, a Solar Day on Mercury (the time it takes for the Sun to return to the same place in the sky) is actually 176 days. Yes, as if Mercury weren’t strange enough, it turns out that a single day on Mercury lasts as long as two years! Find out how you'd pass the time on a planet where a single day lasts two years. A mercury day (sidereal rotation period) is 58.646 earth days = 1407.5 hours. In other words, a single day on Mercury lasts 1,408 hours – nearly 59 times longer than on Earth. Actual rotation – Sidereal day on Mercury. The Earth rotates once in 23 hours 56 minutes and 4 seconds. Click to share on Facebook (Opens in new window), Click to share on Pocket (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Tumblr (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on Reddit (Opens in new window), Click to email this to a friend (Opens in new window), Creative Commons Attribution 4.0 International License. Mercury is the planet closest to the Sun and on Mercury the length of a day lasts 58 days, 15 hours on Earth. While this might lead some to conclude that a single day on Mercury is about 58 Earth days – thus making the length of a day and year correspond to the same 3:2 ratio – this would be inaccurate. A day on Mercury is 58.646 Earth days or 1407.5 hours long while a day on Earth is 23.934 hours long. Based on data obtained by these radar measurements, Mercury is now known to be in 3:2 orbital resonance with the Sun. Mercury is the closest planet to our Sun, ranging from 46,001,200 km at perihelion (closest to the Sun) to 69,816,900 km at aphelion (farthest). the cycle of day and night. the cycle of day and night. The extra 2.2 days is the time for the Moon to catch up in its rotation. Despite being the closest planet to our Sun, it is not the hottest (that honor goes to Venus). Just another oddity for a planet that likes to keep things really hot, really cold, and is really eccentric. It takes about 175.97 Earth days from one sunrise to another, and this is due to the planet’s proximity to the sun and its high speed of orbiting around the sun. The gas giants rotate really fast. How long is the Mercury's day? Saturn takes 11 hours, Uranus takes 17 hours, and Neptune takes 16 hours. Imagine the Earth orbiting the Sun, taking a full 365 days, 5 hours, 48 minutes and 46 seconds to complete the entire journey. Another really strange thing, Mercury’s orbit has the highest eccentricity of all the Solar System planets. Join our 836 patrons! One day on Mercury is the equivalent of 58 days, 15 hours, and 30 minutes on Earth, This is because the planet has a very slow rotation. In fact, one day is actually as long as two years on Mercury. Planet Mercury can be seen without a telescope and has no moon. A solar day on Mercury is as long as A. Due to its rapid orbital velocity and slow sidereal rotation, a Solar Day on Mercury (the time it takes for the Sun to return to the same place in the sky) is actually 176 days. On Mercury, this would be about 58 Earth days, 15 hours and 30 minutes. one year on mercury is 80 days. Equally unusual is the diurnal cycle on Mercury – i.e. Earth takes 24 hours to complete one spin, and Mars takes 25 hours. We’ve also recorded an entire episode of Astronomy Cast all about Mercury. On Mars, a solar day lasts 24 hours, 39 minutes, and 35 seconds. In other words, a single day on Mercury lasts 1,408 hours - nearly 59 times longer than on Earth. December 1, 2019 Hilman Rojak Leave a Comment on Length Of One Day On Mercury In Earth Hours How long is a year on the other plas this solar system of seven earth sized the orbit of mars how long is a year our solar system has the shortest day Mercury takes 58.646 Earth days to rotate once. 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