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Pluto was discovered based on anomalies in Neptune's orbit. Neptune's orbit was not following the path that it should have been according to orbital mechanics understood at the time. This could only be accounted for if another planetary object was exerting its gravitational influence on Neptune.For a long time, we had no formal definition of what a “planet” actually was. We had come to0 be aware of nine objects in our solar system which we called “planets”. We were also aware of many, much smaller objects, such as asteroids, comets,and such, that we did not consider to be “planets”. But we didn't have a formal definition of what exactly constituted a “planet”.
With such technological advances as the Hubble Telescope, we became aware of dozens of objects in our solar system, larger than Pluto.
With the awareness of these other objects, in 2006, the International Astronomical Union met, finally, to come up with a formal definition of just what exactly constituted a “planet”.
The definition on which they finally settled includes these three criteria…
- is in orbit around the Sun,
- has sufficient mass to assume hydrostatic equilibrium (a nearly round shape), and
- has "cleared the neighborhood" around its orbit.
Pluto does not meet that last requirement. A competing proposal had only the first two requirements. That definition would have included Pluto, but it would have also included dozens of other now-known objects, and unknown many more yet to be discovered.
There really isn't any rational way to include Pluto in the formal definition of a “planet”, while excluding the dozens of other recently-discovered objects.
So if their are bigger objects then Pluto, how did he find Pluto and not the rest, with out powerful telescopes?
Pluto came late , what was it 1912 when discovered?
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Pluto was discovered based on anomalies in Neptune's orbit. Neptune's orbit was not following the path that it should have been according to orbital mechanics understood at the time. This could only be accounted for if another planetary object was exerting its gravitational influence on Neptune.
Then i will upgrade Pluto to star status.What if it signs a paper agreeing not to vote for Trump again
In all honestly
I would not give a shit about Pluto status.
In all honestly
I would not give a shit about Pluto status.
Well, that's easy for you to say.
You're a heavenly body.
Thats right. It should also be inhabited and become another Plutocracy.Pluto should be the 9th planet.
/thread
Thats right. It should also be inhabited and become another Plutocracy.Pluto should be the 9th planet.
/thread
Sounds like a fancy French sauce. "Would you like some Planetelle on your Pâté and Croissant?"Can't we at least call it a planetelle?