Pluton is really a planet or a star?

Answer 1

pluto is not a planet. pluto and charon are considered a binary system, but two small bodies orbit this system. they are called nix and hydra.

http://www.iau.org/fileadmin/content/pdfs/Resolution_GA26-5-6.pdf
http://en.wikipedia.org/wiki/Pluto

pluto orbits the sun, is round, does not have an isolated orbit (a bunch of other similar bodies have similar orbits.), and is not a satellite so it is a dwarf planet. this does not change anything about the solar system or pluto. it just corrects the mistake of classifying pluto as a planet initially.

this same thing has happened before. beginning in 1800, astronomers found a few bodies orbiting between the orbits of mars and jupiter, and they finally stopped calling them planets after the fourth discovery. astronomers then added numerals to the names, and pluto recently got its numeral. 150 years from now, no one will think of "134340 pluto" as a planet. very few will even know we classified it as a planet. "1 ceres" and "136199 eris" are other dwarf planets.

i have been waiting for this since i was about twelve. i feel somewhat satisfied. i knew that pluto didn't fit the pattern set by the major bodies in the solar system so it was an anomaly. it just felt illogical and "out of place". this was the right thing to do, believe me. i don't understand why so many are having such a problem with this.

i don't know how long this will drag on tho. many planetary scientists are not satisfied that the definition is rigorous enough.

Answer 2

A pluton in geology is an intrusive igneous rock body which crystallized from a magma below the surface of the Earth. Plutons include batholiths, dikes, sills, laccoliths, lopoliths, and other igneous bodies.

You probably mean Pluto, which is now considered a "dwarf planet."


The IAU members gathered at the 2006 General Assembly agreed that a "planet" is defined as a celestial body that (a) is in orbit around the Sun, (b) has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (c) has cleared the neighbourhood around its orbit.

This means that the Solar System consists of eight "planets" Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. A new distinct class of objects called "dwarf planets" was also decided. It was agreed that "planets" and "dwarf planets" are two distinct classes of objects. The first members of the "dwarf planet" category are Ceres, Pluto and 2003 UB313 (temporary name). More "dwarf planets" are expected to be announced by the IAU in the coming months and years. 


Pluto fails criterion c because it has many neighbors of similar mass.

Aloha

Answer 3

A pluton in geology is an intrusive igneous rock body which crystallized from a magma below the surface of the Earth

The term originated from Pluto, the ancient Roman god of the underworld.


or if you really meant pluto....... that is a planet

Answer 4

Pluto is a frigid ball of ice & rock that orbits far from the Sun on the frozen fringes of our Solar System. Considered a planet, though a rather odd one, from its discovery in 1930 until 2006, it was officially stripped of its status as our Solar System's 9th planet by the International Astronomical Union in August 2006.

Pluto is now officially classified as a dwarf planet.

Answer 5

Pluto is a planet, some 1400 miles in diameter. It has a moon thats slightly smaller called "Charon".

A star glows because of its nuclear fuel like a huge nuclear reactor that normally runs off hydrogen.

A planet or moons reflect light like a mirror.

Answer 6

It is now properly called a dwarf planet. It was never a star.

Answer 7

It's still a planet, so it became one of the dwarf planet

Answer 8

don't you mean Pluto??and it's neither it's a dwarf planet.

Answer 9

none of the above

Answer 10

They didn't say "Pluto" genius!