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Is pluto a planet or not argumentative essay
Is pluto a planet or not argumentative essay
Pluto should be a planet because
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The young astronomer earned a permanent place in the history of science when he discovered the planet Pluto on February 18, 1930. Pluto orbit lies 3 billion miles from the sun; it takes Pluto two and a half earthly centuries to complete a single orbit around the sun. Seen from Pluto, the sun appears merely as one bright star among many. Pluto 's moon, Charon, is nearly half the size of the planet itself and orbits Pluto once in every 6.4 Earth days. From Pluto, Charon appears eight times larger than our moon appears from the Earth.
William Herschel discovered the planet Uranus in the year of 1781. He was a man that was interested in the sky. He would watch the sky at night and all the way into the early morning. One night as Herschel was watching the stars in the night sky, he noticed a “star” that was bigger than the rest.
The discovery of Uranus was a pretty big achievement for the astronomical world. It showed many that there was the possibility of many other planets existing in our solar system past Saturn. There wasn’t really that much thought put into identifying other planets past Saturn since almost everyone did not think that there would be planets out there. This all changed after William Herschel’s discovery in 1781. While it does mark an important achievement for the astronomical world, I do not think that he was really intending on finding a new planet, since it was generally accepted that there were not more for the past 2,000 years.
According to space.com Charon, Pluto’s moon is about half the size of pluto. Also that the dwarf planet Eris is 27% more massive than Pluto. According to the International Astronomical Union for a something to be a planet it has had cleared a path in its orbit. Pluto hasn’t done that which means it can’t be considered a planet anymore. Pluto is very small considering a country on Earth is bigger than a now dwarf planet.
Article one of Pluto from science daily on the New Horizons map of Pluto: The whale and the donut. Shows the overview of the latest map of the on and off again named plant at the end of our solar system. The latest map of Pluto was providing by Ritchey-Chrétien telescope from the company named New Horizon being part of NASA, its primary mission to perform a flyby study of the Pluto system. On a mission that change the question to many explorers wanted answers to, how does Pluto look like? Well, their question was answers on July 9, 2015 that gave a close-up of Pluto.
Pluto should not be considered a planet. First, According to MissionScience.nasa.gov, for Pluto to be a planet it needs all three of the new criterias. It needs to orbit the sun, needs to be round, and it needs to clear its path and neighborhood around it. Since Pluto only meets two of the three expectations to be a planet, It should not be considered one. It does orbit the sun, it does have enough gravity to make it have a round shape, but it doesn’t clear its neighborhood around it.
Discovery of Uranus by William Hershcel in 1781 The modern world was changed with the invention of the telescope. We were able to see farther into space because of the telescope. To see things that had been hidden from our view. Sir William Herschel in 1781 discovered Uranus with a telescope that he construed himself.
I chose to research the discovery of Uranus by William Herschel in 1781. William Herschel’s motivation for the discovery was his search for life on other planets, nebulae and double stars. He had no clue there could be other planets. Through my research, I learned that the discovery was an accident and misnomer at first, and that many people in the scientific community were needed to come to the conclusion that it was in fact a planet. William’s initial observation of the “nebula” was that its position moved a few nights later.
Pluto has been a planet since 1930. It once was in our solar system but in 2006 they decided that it wasn’t a planet anymore because it didn’t mean all the expectations. According to Discovery Education, a chihuahua is still a dog. This evidence works for Pluto because it is a very small planet but it is still a planet. Also, Jupiter is very big but it is still a planet.
However, it was later discredited as a planet because, it lacked moons and not gravity pull towards the sun. Since it no longer fits the definition of a planet I is forever removed and cast aside. Pluto is a parallel understanding of the definition of happy. Most people feel there should be only two emotions in life and its either happy or sad.
While doing so, he ended up finding a comet-like object that, which he later discovered that it was a planet. This planet became to be known as Uranus. Discovering this wasn 't an easy task, because it required
Final Exam Planets and moons in our solar system have many differences, such as geologic activity, composition, interior structure, magnetic field, and atmospheres. To start off, there are two different groups of planets in our solar system, terrestrial and jovian planets. The terrestrial planets are Mercury, Venus, Earth and Mars. Terrestrial planets are mostly composed of silicate rocks or metals. The terrestrial planets are the planets closest to the sun.
The discovery of Uranus wasn't clear and dry. There were several observations of the very planet, like in 1690 John Flamsteed reportedly spotted it over six times but was mistaken for a star because of its slow speed movement in the atmosphere. In 1781, William Herschel made an astounding discovery of a new planet in our solar system. This discovery was the first to be made in the modern era, as well as the farthest planet discovered so far in our galaxy. Herschel’s original plan was to name this new planet after the King of England.
Pluto is a planet, because it consists of all of the qualities that the other planets have. According to usatoday.com, “Harvard science historian Owen Gingerich, who chairs the IAU planet definition committee argued that a planet is a culturally defined word that changes over time, and that pluto is a planet.” In an article from missionscience.nasa.gov it states that “According for something to be considered a planet, it must consist of three things. First it must orbit the Sun, second it must be big enough for gravity to form it into a ball, and third it must have cleared other objects out of the way in its orbital neighborhood.” Pluto consists of the first two qualities, but the third one is the quality that causes debate.”
A lot of people say that Pluto is a planet, but many also say it is not. People also considered Pluto a dwarf planet because it is small in size and so far from the other planets. There is three criterias that all planets including Pluto have to meet to qualify to be a planet and Pluto only meets two out of the three criterias. Pluto orbits the Sun and has its own spherical shape created and maintained by its own gravitational force just like all of the other planets. There is just one criteria that Pluto doesn't meet that all the other plants do meet.
