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Our Solar system

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MinKi Hong

on 19 October 2012

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Transcript of Our Solar system

Our Solar System The Sun Mercury Venus Earth Mars Asteroid Belt Drawing of the asteroid belt Jupiter Saturn Uranus Neptune Kuiper Belt Kuiper belt Oort Cloud Ceres Dwarf Planet Eris Dwarf Planet Comet Halley What is the Sun? The sun is not a unique in the universe; however it is the brightest star that provides heat, and also the brightest star near earth. Because we have the sun, our system of planet is called solar system. The sun would be the center of our solar system. Including earth and other planets, comets, and dwarfs they rotate around the sun as its center. How did sun Form? The mighty sun begins with huge collection of gas and dust pulled each other by force of gravity as greater the mass becomes faster they are going to form; which created intense amount of heat. Interesting facts Even though the sun is very hot, there are some spot that are cooler then others, they are called sunspots. During high solar activity, sun releases massive amount of gas and plasma into its atmosphere Eruption. Representation of an Oort cloud What is comet Halley or Haley's comet? Comet Halley is a comet named after a English astronomer. It is believed that this comet was noticed even in the 240BC. It is the most well known comet that orbits around the sun. However it is neither a dwarf nor a planet. How did Comet Halley form? Astronomer believes that it was formed from a vast slowly whirling cloud of dust and gas that gradually contracted under the force of gravity. Intersting facts Halley’s Comet made its last appearance in 1986.Halley’s Comet, is made of a large lump of ice, dust and gas. Planet mercury is the closest of the planet to sun. Mercury tends to rotate very slowly around its axis compare to earth. One rotation takes 59 earth days. One revolution for mercury is 88 earth days. Planet mercury does not have any natural satellites. Mercury is .39 AU’s from the sun. Mercury is 57,900,000 kilometers away from sun. Mercury also has elliptical orbit. Mercury Interesting facts about Mercury People may think our technology is very advanced, but half of mercury has never been seen! Although it is very faint mercury has a magnetic field, also mercury has tenuous atmosphere. Another thing about mercury is that you can see mercury with your own eye. However it is hard to spot them. NASA Messenger Launched on August 3, 2004 at 06:15:56 Venus Venus takes 243 earth days to rotate around its axis. Making you think of the expression long day again. Venus takes 224 days for revolution. Venus has no natural satellites however astronomers believe there would have been one in the long past. Venus is 0.72 AU away from the sun. Mercury is 104,718,600 km away from the Sun. Interesting facts about Venus Venus is like a twin with earth. Astronomer even believes one day Venus could be inhabitable. Venus rotates backward compares to other to other planets. Unlike other planets, many probes landed on the surface of Venus. Also did you know there is a spacecraft there? Venus express Launched on 26 October 2005 Earth Earth rotates around its axis in 24hours. It takes 365days for revolution. Earth has one natural satellite, which is moon. Earth is 1.0 AU away from the sun. Earth is 149,597,870.7 kilometers away from the sun. Interesting facts about Earth Earth is 70% covered in water. Earth is only well known planet to have life. Also to be accurate it takes 24hour and 56miunte to rotate around its axis. Speaking of time earth takes 365.2564 days for revolution. Moon Earth's only natural satellite, and also only place where human has landed other then Earth. Hubble Space Telescope Launched on April 24th 1990 Mars Mars’ rotation period is 24hours 39minutes and 35seconds, and it takes 686days for revolution. Mars’ has 2 natural satellites, which are Phobos, and Deimos. Mars is 1.524 AU from sun. When mars is farthest away from the sun, it is approximately 249,209,300 km, and closet it is 206,669,000 km away from the sun. Interesting Facts It is not a myth, Mars does have water. Even though mars are the smallest planet in our solar system. It holds the biggest mountain. One of the moons on mars is going to crash in to Mars in next 10 million years. Mars has the longest, deepest canyon in the solar system. Phobos(mars moon) Deimos(moon) Mariner 4 NASA Launched on November 28, 1964 Ceres Ceres a dwarf planet is located near the outer belt of the asteroid belt. Ceres is not a sphere like the picture is illustrating. It is believed that it is made out from gas. Ceres is the only dwarf planet that has form of water in form of vapor, and it used to be believed the biggest dwarf planet, until astronomer found a bigger one near Pluto. Asteroid Belt Asteroid belt is a belt with size of a giant rock and to size of grain of sand that are orbiting around the sun. Due to their size, asteroids do not have enough gravity to pull them into a shape of a ball. Asteroid belts are basically left over materials from the formation of the solar system. Interesting things about the asteroid belt are that they are almost impossible to take a picture of. Because they are usually formed with carbon and they absorb light making the satellites or telescopes nearly impossible to take picture of. Animation of Asteriod belt Jupiter
Jupiter’s rotating on its axis would take 9.9 earth hours, and the revolution period for Jupiter would be 11.86 earth hours. Jupiter has 67 confirmed moons meaning there are more than 67 moons. Jupiter is 778 million Km away from the sun. Jupiter is 5.2 AU from the sun. Interesting fact about Jupiter Jupiter is 318 times the earth size. As you probably noticed Jupiter is the fastest rotating planet in our solar system. Jupiter has a very strong magnetic field. It is 14 times as stronger then earth’s magnetic field. Even though average Joe wouldn’t realize it you can see them, you can see Jupiter with your own eye. Ganymede Jupiter Moon Voyage 1 (Jupiter picture) Launched on September 5, 1977 Saturn Saturn would take average of 10 earth hours and 32 earth minutes to rotate on its axis. Revolution period for Saturn would take estimates of 29.46 earth years. Saturn has 64 natural satellites. Average distance from Saturn to sun is 1,433,449,370 km or 9.58 AU. Interesting facts about Saturn Saturn actually is the least dense planet on the solar system! Saturn was hard to approach only 4 spacecraft visited Saturn. Also no one knows how long one day is in Saturn. Well at least yet. Saturn Moon Titan Voyager 2 Took picture of Saturn Voyager 2 enconter with saturn animation Uranus Uranus rotation on its axis would take 0.72 earth day or 17hours and 14 minutes, and Uranus revolution would take 30,799 earth days or about 84.3 earth years. So far Uranus has 27 confirmed moons. Uranus is 2, 870, 990, 00 km away from the sun or 19.218 AU. Interesting facts about Uranus Uranus is very far away from earth, it has only visited by a spacecraft once. You can see Uranus with the unaided eye. Most interesting thing about Uranus is that summer on Uranus lasts one long day… 42years. Titania (moon of Uranus) Titans is the largest moon rotating around Uranus. Voyager 2 Only spacecraft to approach Uranus Neptune Neptune takes 16hours, 6 minutes, and 36 seconds to rotate once on its axis, and it takes 165 earth years for revolution. Neptune has 13 known moons. Neptune is 4,504,000,000 km (30.06 AU) away from the Sun. Interesting Facts about Neptune Neptune has the gravity that is almost earth like. Neptune is the coldest and windiest planet of all. Voyage 2 was the only spacecraft visited Neptune, and there are no plans to visit Neptune again. Triton(Moon) Voyager 2 Only spacecraft that went to neptune Eris Eris is a dwarf planet that lies at the outer reaches of our solar system. Everyone is unsure how it was formed. Eris is very far away making it very hard for armatures to see with a telescope. One would need a much closed up telescope. Eris is the biggest dwarf planet found in our planet. THE END Our Universe isn't. Launched on April 24, 1990 By Min Ki Hong P4
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