Is Pluto discarded from solar system?

Answer 1

no, but pluto is not a planet. some consider pluto and charon to be a binary system, but two small bodies orbit this system. they are called nix and hydra. this does not change anything about the solar system or pluto. it just corrects the mistake of classifying pluto as a planet initially.

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 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

It is where it always was and doing what it always did. People seem to think the words "the solar system" mean "the sun and the planets". They do not. They mean everything that is in the gravitational influence of the sun, not just the largest and best-known objects.

Once upon a time (up to January 6th 1610) there were only 8 known objects in the solar system: the Sun, the Moon, Mercury, Venus, Mars, Jupiter and Saturn (all thought of as planets) and the Earth,

Then, the next night, Jan 7 1610 Galileo trained his telescope on Jupiter and discovered there were 4 moons there (we now know of 63). And then there were 12 objects,

The Solar System is now known to have rather more than 12 objects and so there needed to be categories to put then in, or everything would be thought of as a planet:

1 star
8 planets
3 dwarf planets (Pluto Eris and Ceres)
Over 338.000 asteroids
Over 1,000 Trans-Neptunian Objects (TNOs)
162 Moons of Planets,
4 Moons of Dwarf Planets
Over 80 moons of asteroids and TNOs
And rather a lot of comets

People talk of losing a family member, but in reality, this is one huge extended family and Pluto is still part of it.

There is a New Horizons rocket, launched by NASA in January 2006 which will flyby Pluto and Charon on July 14th 2015 and tell us more abouit them, So they have not been forgotten.

Answer 3

Later this month, New York's famed Hayden Planetarium re-opens as the Rose Center for Earth and Space, with one surprising feature: there are only eight planets in the museum's display. Pluto is missing. In this hour, we'll debate whether or not Pluto should hold onto its claim to planethood. Plus, the latest on the Galileo mission to Jupiter. Guests: Charles Liu Co-author, "One Universe: At Home in the Cosmos" (Joseph Henry Press, 2000) Astrophysicist, Department of Astrophysics American Museum of Natural History New York, New York Alan Stern Co-author, "Pluto and Charon: Ice Worlds on the Ragged Edge of the Solar System" (John Wiley & Sons, 1997) Director, Space Studies Department Southwest Research Institute Boulder, Colorado Torrence Johnson Galileo Project Scientist NASA's Jet Propulsion Laboratory Pasadena, California

Answer 4

Yes... according to some scientist, now only solar system consist only 8 planets.

Answer 5

Yes, and just watch for Democrats to try and make this a campaign issue. I can just see it now:

"The American people need to remember that before George Bush came into office, we had 9 planets in the Solar System. Now there is only 8, vote for Democrats!"

Answer 6

Yes, it has been evicted...

Of course not, Pluto is still there, the only difference is, it is now... technically speaking not a planet.

Answer 7

It's still a part of the solar system...

Answer 8

~Yeah, when the demoted it from planet status they served an eviction notice too. Pluto is now in the Andromeda system and living quite happily.

Answer 9

Have you not read questions on Pluto in Yahoo answers?Or you thought the question must stand in your name also.

Answer 10

no, it is now classified as a 1 of 3 known dwarf planets