Trans-Neptunian object

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    The New Planet X For centuries, researchers have been looking for more planets in our solar system, with more public focus on the matter in the past decade after Pluto’s reclassification to “dwarf planet”. At last, astronomers have found a possible expansion to our local solar system, or at least this is what the Science News article “Shadow Planet”, written by astronomer Christopher Crockett, implies. In this article Crockett summarizes the history of the idea of a “Planet X” in our solar system

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    Demotion of Pluto: Dwarf Planet Essays

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    The articles entitled “Pluto’s Plight” and “Astronomers Find Another Planet in [Our] Solar System” was published in the New York Times on July 29, 2005 and October 15, 2002 respectively, and announces the discovery of a new ‘tenth planet’. The new object, designated as 2003 UB313 discovered by Professor Michael E. Brown in July 2005, is considerably larger than Pluto and located nine billion miles away from the sun, about three times Pluto’s current distance2. Prior to the discovery of 2003 UB313

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    The Kuiper Belt

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    suggested that, comets and other larger bodies might exist past Neptune. Several years later in 1951, astronomer Gerard Kuiper predicted the existence of icy objects that formed a belt just beyond the orbit of Neptune. This became known as the Kuiper Belt or less commonly known as the Edgeworth-Kuiper Belt and is thought to contain objects leftover during the formation of our solar system. The actual existence of the Kuiper Belt was not confirmed

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    Planet Properties

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    Planet Properties In this report, I will explaining the properties of objects in our solar system and how they are grouped. Before this investigation, I had barely any knowledge about the properties of planets and objects in our solar system, but I learned valuable information through research from different websites, and discussions within my group and my entire class. My report will answer the question, “How can we group objects in the Solar System according to their properties?” Methods of Collecting

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    branch of science used to study objects exterior to the Earth’s atmosphere. There are a wide variety of topics in astronomy that have been studied by astronomers for years, which is interesting to learn about because which individual would not aspire to learn about how the universe originated? Or what objects exists in space? One of the topics that are quite interesting to learn regarding astronomy is the Kuiper Belt. Astronomers have identified plenty of objects that were circulating the sun farther

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    Pluto: The Solar System

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    Astronomical Union had identified Pluto as not a planet making it a dwarf planet.This was the ultimate way to declare that Pluto indeed does not meet the qualifications to be considered a planet, but rather a dwarf one. Since the discovery of “trans-Neptunian” object, this led some scientists to push for a ruling by the IAU to more strictly define what a planet really is, so in response the IAU had established what all

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    observations disproved the geocentric theory and provided strong evidence for the Copernican/Heliocentric system. Galileo discovered four satellites orbiting Jupiter; this observation contradicted the geocentric theory by proving that it is possible for objects to orbit something other than Earth. His observation of the phases of Venus supported the heliocentric theory because he discovered they were similar to the Moon’s phases (from thin crescent to full) which would not be possible if Venus orbited the

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    Planetary Migration

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    passed through gravitational encounters with the outermost giant planet, which calter the planetesimals' orbits. The planets scattered inwards the most of the small icy bodies that they encountered, exchanging angular momentum with the scattered objects so that the planets move outwards in response, preserving the angular momentum of the system.

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    Pluto Pros And Cons

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    continue to over the decision. I agree with Tyson when he says “Find quote about Pluto being the smallest planet and largest dwarf planet” Yet, it is surprising that a lot of people do not feel this way. Why are people so emotionally attached to an object that is billions of miles away? Is it because it was one of the easier planets to remember in the solar system? Or perhaps it was because it was the smallest and people tend to cheer for the underdog. No doubt Disney’s fun, loving pup had some help

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    The greatest astronomical discovery that I always remember was the demotion of Pluto from planet to dwarf. Until this discovery, scientists thought that there were nine planets. Muggle school children (and magical school children) remembered the names of the nine planets using mnemonics like "My Very Easy Method Just Shows Us Nine Planets" and "My Very Educated Mother Just Served Us Nine Pizzas" (Wikipedia). These mnemonics were easy ways to remember the nine plants; Mercury, Venus, Earth, Mars,

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