Is Pluto a Planet? – Essay Example

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The Definition of a Pluto

Pluto is still a mystery to many people. The discovery of Pluto was an amazing event that has led to much controversy in the scientific community. Some people believe that Pluto should be classified as a planet, while others believe that it should be downgraded to a “dwarf planet.” No matter what your opinion is, there is no doubt that Pluto is a fascinating object in our solar system.

There is no agreed-upon definition for what a planet is. However, most scientists agree that a planet must meet certain criteria in order to be classified as such. For example, a planet must orbit around a star (such as the sun), it must be big enough to have gravity, and it must have cleared its orbit of other objects.

Based on these criteria, some scientists argue that Pluto is not a planet because it does not orbit around the sun. Instead, Pluto orbits around a point in space known as the “Kuiper Belt.” However, other scientists argue that since Pluto does orbit around the sun (albeit indirectly), it should still be considered a planet.

The History of Pluto’s Discovery

In 1930, Clyde Tombaugh discovered Pluto while looking at photographs of the night sky. This discovery led to much debate about whether or not Pluto should be classified as a planet. In 2006, the International Astronomical Union (IAU) decided to reclassify Pluto as a “dwarf planet.”

The Debate Over Pluto’s Planetary Status

Even though the IAU reclassified Pluto as a “dwarf planet” in 2006, the debate over whether or not Pluto is a planet is still ongoing. Some scientists believe that the definition of a planet should be expanded to include objects like Pluto. Others believe that the definition of a planet should be more strict and that objects like Pluto should be downgraded to “dwarf planets.” No matter what your opinion is, the debate over Pluto’s planetary status is sure to continue for many years to come.

Why Pluto Should Be Considered a Planet

Since 2006, Pluto has been classified as a “dwarf planet.” Many people do not agree with this classification and believe that Pluto should be considered a planet. This essay will argue that Pluto should in fact be classified as a planet.

The first reason why Pluto should be considered a planet is because of its size. It is the largest object in the Kuiper Belt and is only smaller than Earth, Jupiter, Saturn, Uranus, and Neptune. If an object is larger than 1,000 kilometers in diameter, it is considered to be a planet by the International Astronomical Union (IAU). Therefore, Pluto meets this criterion.

The second reason why Pluto should be considered a planet is because of its orbit. It has an elliptical orbit that is 29.7 times farther from the sun than Earth. This means that it takes 248 years for Pluto to complete one orbit around the sun. Again, if an object’s orbit meets certain criteria, it is classified as a planet by the IAU.

The third reason why Pluto should be considered a planet is that it has an atmosphere. It is very thin, but it does exist. The IAU states that an object must have “an atmosphere” in order to be classified as a planet.

Therefore, based on these three reasons, it seems clear that Pluto should be re-classified as a planet. The IAU’s decision to classify it as a “dwarf planet” was made purely for political reasons and does not reflect the true nature of this unique celestial body.

On August 24, 2006, the International Astronomical Union (IAU) downgraded the status of Pluto to that of a “dwarf planet.” This means that from now on, our solar system will consist of only eight planets. What happened to cause such a dramatic change? In this essay, we will discuss the history of Pluto’s discovery, its previous classification as a planet, and the events that led to its new status.

Pluto was discovered in 1930 by Clyde Tombaugh. At the time, it was considered to be the ninth planet from the sun. In 1978, however, things began to change. Scientists discovered an object located beyond Pluto that was similar in size and composition. This object, known as Eris, caused them to question whether Pluto should really be considered a planet.

In 2006, the IAU held a vote to determine the official definition of a “planet.” Based on this definition, Pluto did not meet the criteria and was therefore downgraded to a “dwarf planet.”

Why Pluto Should Not Be Considered a Planet

There are also many reasons why Pluto should not be considered a planet. For example, Pluto has an elliptical orbit and it does not orbit around the sun. Additionally, Pluto is very small compared to other planets. Finally, some scientists believe that Pluto is not a planet because it does not meet the criteria to be classified as such.

The Future of Pluto’s Planetary Status

The future of Pluto’s planetary status is still up in the air. The scientific community will continue to debate this issue for years to come. In the meantime, we can all enjoy learning about this fascinating and mysterious object in our solar system.

The Bottom Line

There is no right or wrong answer to the question of whether or not Pluto is a planet. It ultimately depends on your definition of a planet. However, one thing is for sure: Pluto is an interesting and fascinating object in our solar system, and it definitely deserves our attention!