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Does size matter?

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08-24-2006, 10:28 AM	#1
glatt ™ Join Date: Jul 2003 Location: Arlington, VA Posts: 27,717	Does size matter? You probably heard they were talking about yanking Pluto off the stage. Well, today the axe fell. It's not a planet any more. Time to re-learn the planets. To answer the title of the thread, size doesn't matter so much. In Pluto's case, it was demoted because it didn't clear its orbit of other planets. Namely Neptune. Their orbits overlap. I don't exactly understand why Neptune didn't get demoted for not clearing its orbit of Pluto, but there you go. It's probably the Neptune bias of those French judges, I think.

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08-24-2006, 10:34 AM

#2

glatt

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Location: Arlington, VA

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Quote:

Originally Posted by Scientific American

A planet is 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.

Bodies that meet criteria (a) and (b) but not (c) are "dwarf planets". The IAU turned down a proposal to name transneptunian objects "plutonian objects."

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08-24-2006, 11:17 AM

#3

headsplice

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Location: Minneapolis

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Quote:

Originally Posted by glatt

Does size matter?

Of course not! It's the motion of the ocean, not the size of the wave!

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08-24-2006, 12:49 PM	#4
9th Engineer Bioengineer and aspiring lawer Join Date: Apr 2006 Location: Pittsburgh Posts: 872	Time to merge the two threads on this topic before people get cranky me thinks. __________________ The most valuable renewable resource is stupidity.

08-24-2006, 12:55 PM	#5
glatt ™ Join Date: Jul 2003 Location: Arlington, VA Posts: 27,717	It's my fault really. Trying to use a clever title.

08-24-2006, 02:57 PM	#6
Brooke of the Land obsequious purple and clairvoiant Join Date: Jul 2006 Location: North Texas Posts: 45	Sooo.... "Mama very easily made John some unbelievably nutty pie" won't work anymore. What is mama going to make for Jonn now? __________________ "...knowing only that we're vast and combustible, shifting, mostly hidden, probably messed up, but alive and mysterious while we last."

08-24-2006, 09:22 PM	#7
xoxoxoBruce The future is unwritten Join Date: Oct 2002 Posts: 71,105	Does this mean it's going to dark at night? __________________ The descent of man ~ Nixon, Friedman, Reagan, Trump.

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08-24-2006, 09:36 PM

#8

lumberjim

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Join Date: Oct 2003

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Quote:

Originally Posted by Brooke of the Land

Sooo.... "Mama very easily made John some unbelievably nutty pie" won't work anymore. What is mama going to make for Jonn now?

Mama very easily made John some unbelievable Narcotics?

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08-29-2006, 01:21 AM	#9
Urbane Guerrilla Person who doesn't update the user title Join Date: Jul 2002 Location: Southern California Posts: 6,674	Nachos, Brooke. See in Home Base. The local paper announced a mnemonic contest. Nachos are popular so far. __________________ Wanna stop school shootings? End Gun-Free Zones, of course.

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