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My very eager mother just served us nine.....
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Agamemnon



Joined: 10 Jul 2006
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Location: Studying somewhere. Or at least that's where I should be.

PostPosted: Thu Aug 24, 2006 3:02 pm    Post subject: My very eager mother just served us nine..... Reply with quote

Astronomers say Pluto is not a planet

25 minutes ago
ASSOCIATED PRESS


PRAGUE, Czech Republic - Leading astronomers declared Thursday that Pluto is no longer a planet under historic new guidelines that downsize the solar system from nine planets to eight.

After a tumultuous week of clashing over the essence of the cosmos, the International Astronomical Union stripped Pluto of the planetary status it has held since its discovery in 1930. The new definition of what is and isn't a planet fills a centuries-old black hole for scientists who have labored since Copernicus without one.

Although astronomers applauded after the vote, Jocelyn Bell Burnell a specialist in neutron stars from Northern Ireland who oversaw the proceedings urged those who might be "quite disappointed" to look on the bright side.

"It could be argued that we are creating an umbrella called 'planet' under which the dwarf planets exist," she said, drawing laughter by waving a stuffed Pluto of Walt Disney fame beneath a real umbrella.

The decision by the prestigious international group spells out the basic tests that celestial objects will have to meet before they can be considered for admission to the elite cosmic club.

For now, membership will be restricted to the eight "classical" planets in the solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.

Much-maligned Pluto doesn't make the grade under the new rules for a planet: "a celestial body that is in orbit around the sun, has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a ... nearly round shape, and has cleared the neighborhood around its orbit."

Pluto is automatically disqualified because its oblong orbit overlaps with Neptune's.

Instead, it will be reclassified in a new category of "dwarf planets," similar to what long have been termed "minor planets." The definition also lays out a third class of lesser objects that orbit the sun "small solar system bodies," a term that will apply to numerous asteroids, comets and other natural satellites.

It was unclear how Pluto's demotion might affect the mission of NASA's New Horizons spacecraft, which earlier this year began a 9 1/2-year journey to the oddball object to unearth more of its secrets.

The decision at a conference of 2,500 astronomers from 75 countries was a dramatic shift from just a week ago, when the group's leaders floated a proposal that would have reaffirmed Pluto's planetary status and made planets of its largest moon and two other objects.

That plan proved highly unpopular, splitting astronomers into factions and triggering days of sometimes combative debate that led to Pluto's undoing.

Now, two of the objects that at one point were cruising toward possible full-fledged planethood will join Pluto as dwarfs: the asteroid Ceres, which was a planet in the 1800s before it got demoted, and 2003 UB313, an icy object slightly larger than Pluto whose discoverer, Michael Brown of the California Institute of Technology, has nicknamed "Xena."

Charon, the largest of Pluto's three moons, is no longer under consideration for any special designation.

Brown was pleased by the decision. He had argued that Pluto and similar bodies didn't deserve planet status, saying that would "take the magic out of the solar system."

"UB313 is the largest dwarf planet. That's kind of cool," he said.
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P: They don't know we know they know we know. And Joey, you can't say anything!

J: Couldn't if I wanted to.
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Michael



Joined: 09 Jul 2006
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PostPosted: Thu Aug 24, 2006 3:08 pm    Post subject: Reply with quote

ags!
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Celaeno



Joined: 09 Jul 2006
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PostPosted: Thu Aug 24, 2006 3:22 pm    Post subject: Reply with quote

Oh, swooped. I was going to post this.

I was in Prague while they were doing this. I should've crashed it.
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andrew



Joined: 13 Jul 2006
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PostPosted: Thu Aug 24, 2006 3:26 pm    Post subject: Reply with quote

I was under the impression that this had been decided roughly a decade ago; I remember reading about it in the papers, and my younger brother was taught the revised solar system model years ago.
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Agamemnon



Joined: 10 Jul 2006
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PostPosted: Thu Aug 24, 2006 3:30 pm    Post subject: Reply with quote

This just makes it official. There was a huge movement to try to save Pluto, mostly by school children whom I squish beneath my almighty arrogant "planet" definitions, muahahahahahahaha!
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P: They don't know we know they know we know. And Joey, you can't say anything!

J: Couldn't if I wanted to.
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andrew



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PostPosted: Thu Aug 24, 2006 3:33 pm    Post subject: Reply with quote

Side Note: I wonder, Kara, if the scientists followed their conclusion with a meal, promptly making themselves sick?
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Michael



Joined: 09 Jul 2006
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PostPosted: Thu Aug 24, 2006 3:34 pm    Post subject: Reply with quote

Quote:
Much-maligned Pluto doesn't make the grade under the new rules for a planet: "a celestial body that is in orbit around the sun, has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a ... nearly round shape, and has cleared the neighborhood around its orbit."


if it's not round it's not a proper planet...

so that's rocket science ey
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Drui



Joined: 11 Jul 2006
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PostPosted: Thu Aug 24, 2006 3:41 pm    Post subject: Reply with quote

My very eager mother just served us NOTHING. YOU GET NOTHING.
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Agamemnon



Joined: 10 Jul 2006
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Location: Studying somewhere. Or at least that's where I should be.

PostPosted: Thu Aug 24, 2006 3:56 pm    Post subject: Reply with quote

Michael wrote:
Quote:
Much-maligned Pluto doesn't make the grade under the new rules for a planet: "a celestial body that is in orbit around the sun, has sufficient mass for its self-gravity to overcome rigid body forces so that it assumes a ... nearly round shape, and has cleared the neighborhood around its orbit."


if it's not round it's not a proper planet...

so that's rocket science ey


Heh. I'd prefer that they have 2 different definitions for planet at this point anyway. One for Small rocky planets (inner 4) and one for gas giants (obviously outer 4). Then include Keiper (sp?) belt objects, comets and Pluto and such. Then finally, Asteroids. But not Pong. Never Pong.



Sorry. I missed this place. Very Happy
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P: They don't know we know they know we know. And Joey, you can't say anything!

J: Couldn't if I wanted to.
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Some Guy!



Joined: 09 Jul 2006
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PostPosted: Thu Aug 24, 2006 4:52 pm    Post subject: Reply with quote

I liked Colbert's version:

"My very educated mother just said 'Uh-oh! No Pluto!'"
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Agamemnon



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PostPosted: Thu Aug 24, 2006 5:25 pm    Post subject: Reply with quote

That's great, SG!!! Very Happy
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P: They don't know we know they know we know. And Joey, you can't say anything!

J: Couldn't if I wanted to.
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mouse



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PostPosted: Thu Aug 24, 2006 6:31 pm    Post subject: Reply with quote

i heard on the radio this morning that pluto was also excluded because it wasn't large enough to clear other objects from its orbit.

it's a little sad, in a way - but also neat, because a planet named 'xena' probably wouldn't have been acceptable, but a dwarf planet (or whatever it is now) could be.
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jwing



Joined: 10 Jul 2006
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PostPosted: Thu Aug 24, 2006 11:48 pm    Post subject: Reply with quote

My Vibrator Exudes Much Joy, So Use Nightly.

taken from someone's lj. (not mine!)
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Agamemnon



Joined: 10 Jul 2006
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Location: Studying somewhere. Or at least that's where I should be.

PostPosted: Fri Aug 25, 2006 2:11 am    Post subject: Reply with quote

Embarassed

Um....yeah....try to explain that one to my third grade class....


"It's an electric...ear...cleaner"

"It sure is big!"

"It sure was..."
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-Agamemnon.....but you can call me Jake.

P: They don't know we know they know we know. And Joey, you can't say anything!

J: Couldn't if I wanted to.
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Marik



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PostPosted: Fri Aug 25, 2006 9:51 am    Post subject: they must be fed. Reply with quote

I have hungry ears, darlings.
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