Demotion of Pluto

Pluto's controversy can be observed from two different perspectives, science and the public. The solar system is exactly the same as in 2006, but for scientists Pluto's downgrade leads to a more unambiguous definition of the word "planet", leading to a step forward in science and technology. Pluto has many features that make up the planet, but it does not meet the new definition of the term "planet" proposed by the IAU.

I buried Pluto and celebrated it - it decided to downgrade Pluto from the Pantheon of the planet. In 2006, the International Astronomical Union faced an increasingly small ice body similar in size to the orbit of Pluto at the end of the solar system. It determines a new way of defining the composition of the planet, the planet downgrades Pluto and its companions to a dwarf state. Some people think that this decision causes anger and some people who continue without decline from the public stand point that downgrading draws scientifically dark circles.

In 2006, Pluto was reclassified as a dwarf planet, and this change is widely considered a downgrade. Since then the status of Pluto's planetary cause controversy within the scientific community and the masses, and caused controversy. In 2017, the science team (including members of the New Horizon n mission) proposed a new aircraft definition based on "a circular object smaller than the star in the universe". This will increase the number of planets in the solar system from 8 to about 100.

However, since the late 1990's, astronomers have insisted on whether to downgrade Pluto. The public's support for Pluto had a serious impact on the discussion. Today's vote was based on the results IAU defined over two years. The first astronomers committee did not do so within a year, resulting in the establishment of a second committee whose definition was redefined as today's vote. "For astronomers, this is not important, we go out and do what we do," Brown said. "To teach this is a very interesting moment, I think that science will be able to explain better than now", explain why Pluto was once considered a planet and why not now. "I am really excited."

Then I decided to promote a controversial problem in the world of astronomy. In 2006, a group of astronomers downgraded Pluto to the status of "dwarf". At the beginning of the same year, the mission of New Horizon has started. When an inquiry was made as to whether the decision to downgrade was in a hurry because astronomers might have been waiting for insight into the task to define more reliable planets, he answered: The International Astronomical Union is an international They are astronomical union, they voted for it, and they jumped up completely. Honestly, there are still many people who do not agree with this, but we all agree that this is not a particularly general decision.