This article was really helpful as I’m studying the solar system in school. Neptune has a Great Dark Spot storm system analogous to Jupiter’s Great Red Spot. All Rights Reserved. Mercury orbits the Sun once every 87.97 Earth days, while one Mercurian day is equivalent to 59 Earth days. Uranus’ atmosphere is composed mostly of hydrogen and helium but has large quantities of water, ammonia, and methane ice. The sixth planet from the Sun, and also a gas giant. Though it is the closest, it isn’t the hottest planet in the Solar System; Venus holds that titled. It takes Mercury 58 earth days to rotate once on its axis, but the combined side-reel effect due to revolution around the sun gives a single “day ” (sun up to sun down) on Mercury at 176 days! The planets of our Solar System are listed based on their distance from the Sun. Take an interactive tour of the solar system, or browse the site to find fascinating information, facts, and data about our planets, the solar system, and beyond. Mars carries the name for the Roman god of war Mars (Ares in the Greek pantheon). Jupiter – The largest planet, its dark red spot is a storm larger than Earth. It is merely a theory, but it’s fascinating nonetheless. Mars is the fourth planet from the sun and is the last terrestrial planet. Our first images of Uranus came on the same day that the Challenger blew up, killing the 7 astronauts on board. Wind speed on the surface of Uranus can reach up to 250 meters per second. The relatively low mass to volume ratio of Jupiter has led some researchers to argue that Jupiter was the result of a failed star formation that could not gain enough mass to induce nuclear fusion. Earth – The only planet in our solar system with liquid water on the surface. Neptune is home to massive storms that regularly reach supersonic wind speeds of over 1,300 mph. It is comprised of hydrogen and helium primarily and is surrounded by a thick cloud layer that houses winds faster than the speed of sound. Uranus had been identified before by ancient societies but was misclassified as a star. Neptune has an atmosphere made out of hydrogen, helium, nitrogen, ammonia, methane, and trace amounts of hydrocarbons. Saturn’s moon Titan is the second largest moon in the solar system and has an atmosphere of nitrogen, methane, and ethane. Among these 8 planets are over 180 moons, with the majority centered on the larger planets. Venus is on average at a distance of 108 million km / 67 million mi or 0.72 AU away from the Sun. It mass is only 0.7 times grater than its surroundings thats why it overly crowded by comets and other space objects and hence Pluto doesn’t qualify to be a planet anymore. Jupiter’s atmosphere is over 75% hydrogen by mass. Of all the planets, Mars is the one that has been seriously investigated for having extraterrestrial life or as serving as a potential habitat for humans. Its atmosphere has a yellowish tint due to the presence of ammonia in its upper atmosphere. This all changed in 2006 when the Astronomical Union – IAU – finally decided on the definition of a planet. If Jupiter were about 80 times its size then it would be considered a star, just like our sun. The Soviet Union sent the probes in the Venera series to learn more about Venus that helped us learn a bit about Venus’ atmosphere, and Venera probes are actually the first manmade devices to enter another planet’s atmosphere. The Venusian year is about 224.7 earth days and the Venusian day is equal to 243 Earth days. From 1930 – 2006, Pluto was considered the 9th planet of the solar system. The wide fluctuation in temperatures is due to Mercury’s lack of a substantial atmosphere. Surface temperatures on Earth are around 14 degrees Celsius. Without Jupiter cleaning out the early solar system, the Earth would be pock-marked with meteor collisions. This means that the solar system has an effective radius of about 1 light day. The small planet has a diameter of 4.879 km / 3.032 mi. Mars, sometimes called the “Red Planet” in virtue of its reddish appearance, is the 4th planet from the solar system and is the last of the interior terrestrial planets. Uranus’ core is thought to be extremely icy, instead of being molten like other planets. Neptune is the eighth planet from the sun and is the last of the gas giants. Its atmosphere is the most intense in the Solar System. The Earth is the third planet from the sun and is the planet that we call home. The third closest planet to the Sun. It is only 58 million km / 36 million mi or 0.39 AU away. We love feedback :-) and want your input on how to make Science Trends even better. Jupiter’s mass is almost 2 ½ times greater than the mass of all the other planets, combined. Thank you for uploading this! Earth is at an average distance of 150 million km / 93 million mi or 1 AU away from the Sun. Mars is about 1.5 times the Earth’s distance from the sun and has a mass of about 1/10th the mass of Earth. The Nine Planets has been online since 1994 and was one of the first multimedia websites that appeared on the World Wide Web. In addition to the 8 planets and their respective moons, there is a handful of dwarf planets, comets and asteroids occupying our solar neighborhood. The planets in order from the Sun based on their distance are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. same it really helped to me to the same reson, Our planet is divided into seven continents and five oceans. It is the third-largest planet in the Solar System. Now people have petitioned to bring Pluto back to its planet-hood, but who knows if that will happen. The seven continents are North America, South America, Asia, Africa, […], Monday morning, London tube. Neptune is known for having very large distinguishable weather patterns, that manifests as streaks of color along its blue atmosphere. We help hundreds of thousands of people every month learn about the world we live in and the latest scientific breakthroughs. Jupiter is comprised primarily of hydrogen and helium and it is still unknown if Jupiter’s core is solid or not. People are destroying the English language! © 2020 Science Trends LLC. What ever happened to correct spelling and grammar? At far left is the Sun. The moon is our only natural satellite. The definition of a planet was formalized in 2005, leading to a new classification scheme that excluded Pluto from the category of planets.

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