11-24-2002, 07:30 PM | #11 |
Dracolisk
Join Date: January 5, 2002
Location: Guantanamo Bay, Cuba
Age: 38
Posts: 6,043
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Black Dwarves are cooler, because like Deugar, if you put anything on their surface it immediatley gets flattened
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11-24-2002, 08:13 PM | #12 | |
Drow Priestess
Join Date: March 13, 2001
Location: a hidden sanctorum high above the metroplex
Age: 54
Posts: 4,037
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Quote:
On the other hand, A Brief History of Time isn't as much fun as brane theory....
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Everything may be explained by a conspiracy theory. All conspiracy theories are true. No matter how thinly you slice it, it's still bologna. |
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11-25-2002, 09:47 AM | #13 |
Iron Throne Cult
Join Date: March 12, 2001
Location: Manila, Philippines
Age: 39
Posts: 4,864
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Damn!!!! This is good stuff!!
Thanks guys!!! Now, for those who still have info (I'll also try to get that Stephen Hawkins book) please do post it! I already know I have passed this thingee, but I want to get into thee Dean's list... and you guys are helping me [img]smile.gif[/img] |
11-25-2002, 11:56 AM | #14 |
Galvatron
Join Date: January 10, 2002
Location: Upstate NY
Age: 56
Posts: 2,109
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Hawking IMO is one of the most readable of the great Physicists. As a summer assignment for our 11 year old we had him read most of "A Theory of Everything" and answer some basic questions about each chapter.
I especially enjoyed reading some of his theories applying Quantum Mechanics (specifically Uncertainty) to explain how information could escape black holes (empirical measurements have been taken that are consistant with the existance of this phenemona). To put together some of the info here that seemed a bit disjointed: X-rays are emitted by matter spiralling into a black hole... this energy is emitted BEFORE the matter crosses the event horizon, because if it was emitted after... it wouldn't escape either. A Neutron Star is a star that was massive enough to go supernova but not massive enough to collapse into a black hole. It does collapse under it's own gravity, but that gravity is only strong enough to force the electrons and protons to form into neutrons. The term "singularity" does not apply to Neutron Stars since they have size (they don't reduce to a single point in space) White Dwarfs are formed by stars too small to go supernova (like our sun) One cool theory - for supermassive black holes it's entirely possible that a person crossing the event horizon wouldn't even know it. The event horizon for these beasts is a LONG way away from the singularity, and the gravitational gradiant at that point would be fairly low. [ 11-25-2002, 02:05 PM: Message edited by: Thoran ] |
12-01-2002, 11:05 AM | #15 |
Iron Throne Cult
Join Date: March 12, 2001
Location: Manila, Philippines
Age: 39
Posts: 4,864
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btw, what is the black hole's heat capacity? oh well... too lazy to research tonight... buh...
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12-01-2002, 12:02 PM | #16 |
Lord Soth
Join Date: February 7, 2002
Location: New York
Posts: 1,980
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Looks like quite a bit of the basic info has already been provided. There have, however, been quite a few intriguing developments in this area recently -- especially in terms of what astronomers and astro-physicists have been able to observe and infer concerning black holes. A good summary can be found here. As an added bonus, the articles on this site feature a number of very well-done computer graphics as well as images from both the Hubble and Chandra telescopes.
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