New Ruling from the IAU: The Universe only has 2 Planets!!

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ryuu

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Mercury is a planet: Because it orbits the sun, it is spherical, it has cleared out other bodies from its orbit.<br /><br />Venus is a planet: Because it orbits the sun, it is spherical, it has cleared out other bodies from its orbit.<br /><br />Earth is NOT a planet: Because although it orbits the sun and is spherical, it has NOT cleared out other bodies from its orbit--refer to the Apolo asteroids.<br /><br />Mars is NOT a planet: Because although it orbits the sun and is spherical, it has NOT cleared out other bodies from its orbit--refer to the moons of Mars. However, this is subject to reconsideration should the two bodies fall to the surface or get ejected from the vicinity of Mars.<br /><br />NONE of the objects between Mars and Jupiter are planets--the IAU is sick of hearing people complain and they will simply ask security to escort anyone mentioning them out of the forum.<br /><br />Jupiter is NOT a planet: Because although it orbits the sun and is spherical, it has NOT cleared out other bodies from its orbit--refer to the Trojan and Centaur asteroids.<br /><br />Saturn is NOT a planet: Because although it orbits the sun and is spherical, it has NOT cleared out other bodies from its orbit--refer to the Centaur asteroids.<br /><br />Uranus is NOT a planet: Because although it orbits the sun and is spherical, it has NOT cleared out other bodies from its orbit--refer to the Centaur asteroids.<br /><br />Neptune is NOT a planet: Because although it orbits the sun and is spherical, it has NOT cleared out other bodies from its orbit--refer to Pluto.<br /><br />Pluto, Sedna, Eris(formerly known as Xena), or any other objects beyond the orbit of Neptune out to the Oort Cloud are NOT planets--the IAU is sick of hearing people complain and they will simply ask security to escort anyone mentioning them out of the forum.<br /><br />Nemisis is NOT a planet: Because although it orbits the sun and is spherical, it has NOT cleared out other bodies from its orbit--refer to the Kupier Belt/Oor
 
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yevaud

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That's very nice, but objects falling within stable Trojan relationships with the particular body isn't what was meant by "clear the local area." <br /><br />Now eating a few thousand Jalapenos and Pickled Eggs would really "clear" an area, pronto! <img src="/images/icons/wink.gif" /> <div class="Discussion_UserSignature"> <p><em>Differential Diagnosis:  </em>"<strong><em>I am both amused and annoyed that you think I should be less stubborn than you are</em></strong>."<br /> </p> </div>
 
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jmilsom

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Quick, where can I go to buy some real estate on Mercury? Being one of the universes two planets has to count for something! <div class="Discussion_UserSignature"> </div>
 
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vogon13

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Sorry, no planets at all.<br /><br />The asteroid 3200 Phaethon goes drastically closer to the sun than Mercury, and also crosses Venus' orbit too . . . .<br /><br /><br /> <div class="Discussion_UserSignature"> <p><font color="#ff0000"><strong>TPTB went to Dallas and all I got was Plucked !!</strong></font></p><p><font color="#339966"><strong>So many people, so few recipes !!</strong></font></p><p><font color="#0000ff"><strong>Let's clean up this stinkhole !!</strong></font> </p> </div>
 
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rfoshaug

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I find it a bit difficult to understand why Mercury and Jupiter are in the same category (planets) while Mercury and Pluto are not.<br /><br />How is Mercury more similar to Jupiter than to Pluto? <div class="Discussion_UserSignature"> <p><font color="#ff9900">----------------------------------</font></p><p><font color="#ff9900">My minds have many opinions</font></p> </div>
 
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search

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You obviously did not read the initial post in this thread of Ryuu and therefore did not understand the intention of my post...
 
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alokmohan

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Brown dwarfs are around 80 j,j is mass of Jupiter.Classification of brown dwarf objects may raise problems in future.Any way brown dwarfs are not planets.But there may be marginal cases.
 
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alokmohan

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Clearing debris is applicable only for so called planets.We have not yet identified brown dwarf as a planet as it is bigger than hottest of jupiter.This is a new field of study in reseach.You may find it interesting.It is one of the candiates of dark matter.
 
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