What do you all think of that?
| Dark matter found (?) | |
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| Post #1 Feb 4 2005, 01:40 | |
Resident Elite  Group: Registered Posts: 1,674 Joined: 30-March 02 Member No.: 11,171 
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| Post #2 Feb 4 2005, 01:45 | |
Willpower   Group: Moderator Posts: 10,795 Joined: 25-May 04 From: Toronto, ON Member No.: 56,814
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QUOTE Even with the new evidence, they plan to keep looking, said Nicastro. That's because intergalactic baryons not only fill a gap in scientists' understanding of the universe, but they may also lead to a better understanding of "dark matter," a mysterious and unseen form of matter that has so far only been detected by the gravitational pull it exerts on other bodies in the universe. They just found Baryons, the building blocks of life. Oxygen Ions + Carbon + Nitrogen etc... They have yet to find dark matter. But that's some pretty good info. 
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| Post #3 Feb 4 2005, 01:51 | |
Virtorio  Group: Registered Posts: 4,559 Joined: 28-April 03 From: Hamilton, New Zealand Member No.: 27,111
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Wow, thats amazing. So, what's dark matter?
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| Post #4 Feb 4 2005, 01:55 | |
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Resident Elite Group: Registered Posts: 1,675 Joined: 19-June 03 From: Brampton, Ontario Member No.: 31,100
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QUOTE(virtorio @ Feb 3 2005, 20:51) Wow, thats amazing. So, what's dark matter? [right][snapback]585410657[/snapback][/right] Dark Matter n : (cosmology) a hypothetical form of matter that is believed to make up 90 percent of the matter in the universe; it is invisible (does not absorb or emit light) and does not collide with atomic particles but exerts gravitational force |
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| Post #5 Feb 4 2005, 01:55 | |
Formerly known as ArtOf_War  Group: Registered Posts: 7,230 Joined: 24-June 04 From: México Member No.: 60,134
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Very interesting if they find dark energy... then that'll be revolutionary, imagine harnessing taht
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| Post #6 Feb 4 2005, 05:32 | |
NeKroSoft inc. Group: Registered Posts: 11,253 Joined: 1-November 01 From: IL Member No.: 2,671
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QUOTE(Ryan92 @ Feb 3 2005, 20:55) Dark Matter n : (cosmology) a hypothetical form of matter that is believed to make up 90 percent of the matter in the universe; it is invisible (does not absorb or emit light) and does not collide with atomic particles but exerts gravitational force [right][snapback]585410682[/snapback][/right] 90%? why is it so hard to find? |
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| Post #7 Feb 4 2005, 09:14 | |
osnn dot net  Group: Registered Posts: 846 Joined: 24-April 02 From: Stonehenge Member No.: 11,959
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hehe
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| Post #8 Feb 4 2005, 15:50 | |
Decepticon Group: Registered Posts: 867 Joined: 5-February 03 From: São Paulo - Brazil Member No.: 22,464
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QUOTE(nekrosoft13 @ Feb 4 2005, 03:32) 90%? why is it so hard to find? [right][snapback]585411597[/snapback][/right] Maybe because it's invisible. |
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| Post #9 Feb 4 2005, 15:53 | |
Neowinian²  Group: Registered Posts: 159 Joined: 25-January 05 From: ::1 Member No.: 92,794
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I still don't understand what's dark energy...
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| Post #10 Feb 4 2005, 15:53 | |
Philosophing Developer Group: Registered Posts: 5,944 Joined: 29-December 02 From: Sweden Member No.: 21,023
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"Whereas baryons account for 4 percent of the total matter and energy in the universe, dark matter is thought to make up 23 percent."
So yeah, they maybe found some dark matter, if that was actually part of the dark matter, but even then, there's undiscovered dark matter?  As for dark energy, I'd say it's a name given for a force we don't understand. It could be that there isn't any dark energy at all, but our theories are wrong. Same with dark matter btw. We haven't observed it for sure yet, we just assume dark matter is going to be there. With other theories, I guess you could find workaround without the necessity of dark matter to exist? It could be that we simply don't understand gravitational forces and therefore assume there must be tons of strange "dark matter" around us when it's in reality us who're wrong.
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| Post #11 Feb 4 2005, 16:50 | |
Ars + Neowin  Group: Registered Posts: 22,352 Joined: 4-April 04 Member No.: 51,806
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we find this stuff all around the universe and so on but we still don't know what's at the bottom of the oceans, on our own planet!
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| Post #12 Feb 4 2005, 16:54 | |
Doobie Doobie Do Group: Registered Posts: 1,278 Joined: 6-June 04 From: PA Member No.: 58,058
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I thought the article was quite interesting
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| Post #13 Feb 4 2005, 16:54 | |
Web Designer/Developer Group: Registered Posts: 1,117 Joined: 7-November 01 Member No.: 3,180
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In layman's terms: Dark matter, which makes up a huge chunk of the universe (up to 90%), is the theoretical "filler" to make everything else we have discovered about the universe fit. We can measure gravitational effects, and we understand the gravitational effects of the matter that we CAN see but there's a whole lot of gravitational forces from something that we CAN'T see. The best example is the expansion of the universe. It was recently discovered that not only is the universe expanding, but it is accelerating. The amount of matter required to exert the necessary gravitational forces that would cause the universe to accelerate outward is about 10 times what we can see and detect. Thus, dark matter.
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| Post #14 Feb 4 2005, 16:56 | |
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Group: Registered Posts: 7,122 Joined: 12-March 03 From: London, UK Member No.: 23,471
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ooooooooooo interesting
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| Post #15 Feb 4 2005, 16:56 | |
NUMERO MYSTERIOSO Group: Moderator Posts: 14,089 Joined: 28-September 02 From: Brisbane, Australia Likes: Cookies Member No.: 17,647
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slimy, we know what's at the bottom of the ocean, water, sediment and fish that can eat us, or at least they look like they can
Anyway, this is cool, it's always good to know about this stuff. |
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