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At first it was thought that Uranus was a comet. As Herschel’s sister mapped the night sky it was shown that Uranus was a planet. The movement of this planet showed that it had other effect on it than just the sun which lead to the discovery of Neptune and several satellites…
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Clyde Tombaugh is not exactly a household name even though he discovered something that each and every one of us has learned about. He is accredited with the discovery of the now ex- planet Pluto. Clyde was born in Streator, Illinois February 4, 1907. At a young age his family moved to Kansas to start their own farm. Clyde had planned on going away to college the fall after moving to Kansas, but this was all put on hold when a hailstorm had ruined his families’ entire crop and he was forced to stay home and work on the farm. Clyde, while stuck on the farm, began to become interested in the sky and the stars, and at the age of 20, he started building his own unique telescopes and lenses to observe planets and he would draw what he saw. He would send these drawings of the planets to the Lowell Observatory in Flagstaff, Arizona. This eventually got him a job at the observatory due to his drawings impressing the director of the time Vesto Melvin Slipher. Clyde worked at the observatory from 1929 to 1945 and in this time he made his biggest discovery of finding Pluto in 1930.…
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More than 1800 exoplanets have been discovered (1855 planets in 1164 planetary systems including 473multiple planetary systems as of 1 January 2015)…
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The finding became the trigger that changed the face of our solar system, defining the planets and adding Pluto to a growing family of dwarf planets in 2006 by International Astronomical Union (IAU)…
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Christopher Crokett says, “On July 14, NASA’s New Horizons spacecraft will reach the dwarf planet and try to learn all it can about Pluto and its five known moons. Then the probe will leave Pluto behind, vanishing into the frigid darkness beyond the planets.”…
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Uranus was the first planet to be discovered in modern history. It was actually discovered by accident in 1781 by William Herschel.…
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Good morning ladies and gentlemen. Today you are here to decide whether the defendant presented is insane. This man was imprisoned for murdering his wife. This was after killing his first cat and aiming to kill his second. Why kill so many innocent lives? After hearing his significant story, many of you must be confused. You may believe he is indeed insane while others may think he pretending to be crazy in order to get out of his death penalty. My job here is to prove that he is faking it all. Therefore, he deserves to die for his horrible actions.…
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(2) With the exception of Pluto, the planets divide clearly into two groups: terrestrial and jovian.…
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2) Charon, one of its largest moons, is only half the size of Pluto, while other true planets are far larger than their moons…
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NASA hasn’t made any kind of discovery in recent years that’s been of any kind of use to us. Sure, finding out Pluto doesn’t really count as a planet is cool and all, but how does that help us in anyway?! It doesn’t make a difference if we know how many planets there are right now, what matters is that we use our money to help stop destroying the Earth & try to fix the damage we’ve done. It’s great that we have the technology and skills to travel into space, but it’s becoming unaffordable and we have bigger expenses on our hands.…
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Pluto was discovered in 1930, becoming the 9th planet in the solar system. As telescopes improved, other Sun-orbiting objects were discovered. Some of those were even larger than Pluto. By 2005, it was becoming apparent that many more…
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So don’t make it seem like Pluto is all alone, because it is not! Besides, Pluto there are four other known dwarf planets. Eris, Ceres, Makemake, and Haumea. The latter three of which are in the Kuiper Belt. Dwarf planets are worlds that are too small to be considered developed planets, but also too large to be put into smaller categories.…
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Pluto should not be considered a planet to me because it doesn’t have a cleared orbit. Pluto should stay a dwarf planet because it is the smallest planet in the solar system. Also Pluto’s moon is bigger than it therefore, is often mistaken as a double planet. Pluto shouldn’t be a part of the planets because according to the article “Why Pluto is no longer a Planet” by Fraser Cain the…
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The distant, ice-covered world is no longer a true planet, according to a new definition of the term voted on by scientists today "Whoa! Pluto's dead," said astronomer Mike Brown, of the California Institute of Technology in Pasadena, as he watched a Webcast of the vote. "There are finally, officially, eight planets in the solar system." In a move that's already generating controversy and will force textbooks to be rewritten, Pluto will now be dubbed a dwarf planet. But it's no longer part of an exclusive club, since there are more than 40 of these dwarfs, including the large asteroid Ceres and 2003 UB313, nicknamed Xena—a distant object slightly larger than Pluto discovered by Brown last year. "We know of 44" dwarf planets so far, Brown said. "We will find hundreds. It's a very huge category." A clear majority of researchers voted for the new definition at a meeting of the International Astronomical Union (IAU) in Prague, in the Czech Republic. The IAU decides the official names of all celestial bodies. The tough decision comes after a multiyear search for a scientific definition of the word "planet." The term never had an official meaning before. What Is a Planet Today? According to the new definition, a full-fledged planet is an object that orbits the sun and is large enough to have become round due to the force of its own gravity. In addition, a planet has to dominate the neighborhood around its orbit. Pluto has been demoted because it does not dominate its neighborhood. Charon, its large "moon," is only about half the size of Pluto, while all the true planets are far larger than their moons. In addition, bodies that dominate their neighborhoods, "sweep up" asteroids, comets, and other debris, clearing a path along their orbits. By contrast, Pluto's orbit is somewhat untidy. Astronomers estimate that there are at least 70,000 icy objects, with the samecomposition as Pluto, that measure…
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Neptune was discovered in September 1845. It was discovered by means of mathematics before being seen through a telescope.…
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