Pluto can get the status of the ninth planet

Actually Pluto is a planet according to new argument by researchers

Actually Pluto is a planet according to new argument by researchers

If accepted, the geophysical definition would essentially classify all "round objects in space that are smaller than stars" as planets, including Pluto, other dwarf planets, and even moons.

A team led by Philip Metzger, planetary scientist at the University of Central Florida (UCF) in Orlando, is indicating that the basis on which Pluto was rejected as a planet does not have any support in research literature.

In 2006, the International Astronomical Union, a global group of astronomy experts, established a definition of a planet that required it to "clear" its orbit, or in other words, be the largest gravitational force in its orbit, the Daily Mailreports. This was a problem for Pluto, which is influenced by Neptune's gravity, among other things.

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Kirby Runyon, who co-authored the study, said that the literature review proved that clearing its orbit was not an historic standard for defining a planet. The authors found only one such mention - a study published in 1802 - which was based on flawed, now-disproven reasoning. On the contrary, many scientists in their work are called planets, objects that do not meet the definition of a MAS, including the major satellites of Saturn (Titan) and Jupiter (Europe).

"It's a sloppy definition", Metzger continued, talking about the IAU's definition.

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'And it would leave out the second-most complex, interesting planet in our solar system'.

His argument is that the list of criteria set by the IAU that define a planet is flawed. Planetary scientist Mike Brown of Caltech, who has embraced his role in the debate so thoroughly that his Twitter handle is @plutokiller, argued that those who want Pluto to be considered a planet are simply searching for whatever rationales they can get their hands on. "If you take that literally, then there are no planets, because no planet clears its orbit".

"It's more dynamic and alive than Mars", Metzger said. The new study shows four astronomers argue that the clause doesn't have much historical precedent and that current research doesn't commonly use it. Metzger was insistent enough on changing this definition to delve into astronomical literature from the past two centuries. The organization defined a planet as a body that can clear its own orbit around the Sun. Today, the debris and asteroids that fall into Pluto's path are many, but they may disappear a billion years from now - so they shouldn't be fundamental to describing a body. They made a decision to demote Pluto in an extreme redefinition of planethood that seemed to favour scientific reasoning over historic and cultural influences.

"And that's not just an arbitrary definition", says Metzger. "It turns out this is an important milestone in the evolution of a planetary body because, apparently, when it [reaches a certain size] ... it initiates active geology in the body".

He also noted that Pluto has an underground ocean and evidence of ancient lakes, an atmosphere consisting of multiple layers, organic compounds, and several moons.

The IAU told Fox News that it has not yet received a formal proposal to change its definition of a planet.

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