Pluto not planet research paper

Venetia was interested in classical mythology as well as astronomy, and considered the name for the god of the underworld appropriate for such a presumably dark and cold world.

Is Pluto a giant comet?

She suggested it in a conversation with her grandfather Falconer Madan, a former librarian at the University of Oxford's Bodleian Library. Pluto officially became Pluto on March 24, For more print resources Full description. Photo: Nasa Website.

Why is Pluto not a planet? BBC News

Pluto: Overview. Pluto is a member of a group of objects that orbit in a disc-like zone beyond the orbit of Neptune called the Kuiper Belt. Kuiper Belt Sizes. Graphic from the Nasa Website. Percival Lowell, half-length portrait, facing slightly left. Pluto's Symbol. The symbol for Pluto is a monogram made up of the P and L in Pluto and also the initials of the astronomer, Percival Lowell, who predicted its discovery.

Researchers Say the Reason Pluto Lost Its Planet Status is Not Valid

Image credit: Lunar and Planetary Institute. Mural of Astronomy by Walter Shirlaw. From the Prints and Photographs Online Catalog. Why is Pluto no longer a planet? What is a Dwarf Planet? It has sufficient mass to assume hydrostatic equilibrium a nearly round shape.

It has "cleared the neighborhood" around its orbit.

More Fun Facts About Pluto:

Related Web Sites. Further Reading. Boyle, Alan.


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The case for Pluto: how a little planet made a big difference. Hoboken, N. Doressoundiram, Alain, and Emmanuel Lellouch. At the edge of the solar system: icy new worlds unveiled. K,: Published in association with Praxis, c Pickering's planetary predictions and the discovery of Pluto.


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Isis , v. The new research says that Pluto should be reclassified as a planet due to finding that the current definition of planets is erroneous. The International Astronomical Union IAU is responsible for the official definition of planets and dwarf planets and, in , the IAU took a vote from astronomers at the IAU General Assembly in Prague, Czech Republic, and reached a consensus on an updated definition of a planet which is still in place today. Pluto is classified as a dwarf planet, and a prototype of a new class of Trans-Neptunian objects, rather than a planet.

The decision to exclude Pluto from the planets has been the subject of much controversy among scientists. Runyon has also previously argued in a short paper this year that a planet should be defined by the intrinsic qualities of the body itself, rather than external factors such as its orbit or other neighbouring objects.


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The author of the research paper, Philip Metzger, has reviewed the scientific literature and has identified a fundamental problem with the IAU definition of planets, which relies on the fact that a cleared orbit is the standard for distinguishing between asteroids and planets. If you take that literally, then there are no planets, because no planet clears its orbit. The argument for why Pluto should be reclassified as a planet also includes the complexity of Pluto as an interesting part of our solar system.

Pluto is a dynamic body, which has an underground ocean, a multilayer atmosphere, organic compounds, and evidence of ancient lakes as well as multiple moons. Metzger argues that scientists already find it functionally useful to define Pluto as a planet in their research papers, despite this being contrary to the official IAU definition of planets. Alongside the argument that Pluto should be reclassified as a planet, Metzger has suggested that the classification of a planet should be based on whether it is large enough for its gravity to allow it to become spherical in shape.

This supports the assertion that a planet should be defined by the intrinsic qualities of a body, rather than by external factors.

Can you guys just decide if it a planet or not. To me I consider pluto as a planet because just because it doesnt hit all three criterias doesnt mean it shouldnt be a planet.

What makes a planet?

Also in the passage it clearly says that the current definition of planets is not supported by research. Save my name, email, and website in this browser for the next time I comment. Sunday, October 6, Contact Us. SciTech Europa. News Space News. Related eBooks.