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Our Solar System By: Levi, Jaycie, & Jackie The Sun The sun is 27,000,000 degrees Fahrenheit and 15,000,000 degrees Celsius. It is the most prominent feature in our solar system. The corona is the outer part of the sun atmosphere. It is in the region that prominences appear, prominences are immense clouds of growing gas that erupt from the upper chromospheres. Solar energy is created deep within the core of the sun. Mercury • I Rotation: 58.6461 • Mass: 5% of Earth • Volume: 5% of Earth • Distance from sun: 57 million kilometers Mercury is a planet of extremes. Because it is so close to the sun , a visitor could easily cook to death. However, because Mercury spins so slowly it gets very cold in the night time, which means a visitor could also freeze to death. It looks a lot like our moon because it has craters and basins. Mercury has no moons. Venus • 1 Rotation: 243.16 Days • 1 Orbit of sun: 224.16 Days • Mass: 81% of Earth • Volume: 86% of Earth In many ways Venus is similar to Earth. It has active volcanoes, venusquakes, mountains, and valleys. The major difference is that Venus’s atmosphere makes the planet far too hot for life. It rotates in the opposite direction of other planets in our solar system. It has no moons. Earth Earth is the third planet from the sun. It is 93 million miles away in diameter. It is the 5th largest planet from the 9 planets. It has only one moon. The moon does not have a name. Earth’s atmosphere is 77% nitrogen and 21% oxygen. 71% of earths surface is covered in water. Earth is the only planet in which water Can exist in liquid form on its surface. It takes 365 days to orbit around the sun. When it spins it takes 23 hours and 56 minutes. Earth’s Moon • Luna is a beautiful world that lies 384,400 kilometers from Earth. It is littered with mountains, valleys, old volcano sites and many bowl like holes called craters. Luna is a neat world to explore because you can see it without any telescope or binoculars. You can only see one side of Luna from Earth. I know you have seen it, in fact you may even see it tonight because Luna is our moon. Mars • • • • Rotation: 24 Hours 37 Min. Mass: 10% of Earth Volume: 15% of Earth Distance from Sun: 229 Kilometers Mars excites scientists because its mild temperament is more like Earth’s than any other planet. Evidence suggests that Mars once had rivers, streams, lakes and even an ocean. Mars has 2 moons named Deimos and Phobos. Asteroids Asteroids are chunks of rock and metal that orbit the sun. Scientists think that they are loose material that never formed in to planets. The main asteroid belt is located between mars and Jupiter. The largest asteroid is Ceres. It is 914 Km across, and contains about 25% of the mass of all the asteroids combined. Jupiter • Jupiter is the 5th planet from the sun by for the largest planet of all 9 planets. It's 318 times larger than Earth. The most weirdest thing is that the “great red spot” is an oval about 12,000 kilometers by 25,000 kilometers- big enough to make 2 Earths! WOW! The temperature is – 153 degrees Celsius and – 244 degrees Fahrenheit. It takes 4,332.59 days to orbit the sun and 9 hours and 55 minutes to rotate by itself. It is 777 million kilometers and 480 million miles from the sun Saturn • Saturn is the 6th planet from the sun. It is the 2nd largest planet from the other planets. It takes 10,759.2 days to orbit the sun and 10 hours and 13 minutes to rotate. The temperature is -184 degrees Celsius and -300 degrees Fahrenheit. It is 1,479 million miles and 888 million miles away from the sun. Uranus • Uranus is a giant gas planet which is made up of mostly rock and various ices. Uranus spins differently from most planets. It seems to be tilted sideways instead of right-side up. • 1 Orbit of sun-30,684 Days • 1 Rotation-17.2 Hours • Average temp.- 300 degrees Fahrenheit. Neptune • Neptune is a giant gas planet which is most likely made up of various “ices” and rock. Neptune has been visited by only spacecraft, voyagers on Aug. 25, 1989. • Almost everything we know about Neptune comes from this one visit. Pluto Pluto is a small icy “dwarf planet”. Scientists are still unsure as to exactly what it’s made of. Pluto has not yet been visited by a spacecraft. Pluto has one moon. It’s called Charon. Pluto is smaller than 7 of the moons in the solar system. Because it is so small many scientists don’t consider it a planet at all. Credits • We used all the websites provided in Space Unit in www.wikithurston.pbwiki.com