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DarkMatter detected by US scientists... |
Faustus
Marshal
Palestar
Joined: May 29, 2001
Posts: 2748
From: Austin, Texas
|  Posted: 2009-12-18 14:57
http://news.bbc.co.uk/2/hi/science/nature/8420089.stm
They may have found the other 25% of the universe!
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Sens [R33]
Admiral
Joined: September 27, 2008
Posts: 1020
From: Edge of th...
| Posted: 2009-12-18 15:40
When did we discover the first 75% !?
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Eledore Massis [R33]
Grand Admiral
Templar Knights
Joined: May 26, 2002
Posts: 2695
From: tsohlacoLocalhost
| Posted: 2009-12-18 15:57
"We've done all the other planets, so what the heck."
[ This Message was edited by: Eledore Massis [R33] =ADM= on 2009-12-18 16:08 ]
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kenetiks
Admiral
Galactic Navy
Joined: November 21, 2001
Posts: 1130
From: Bandcamp
| Posted: 2009-12-18 16:02
I had thought it was a bit higher than 25%.
This is excellent stuff.
However, I do have a serious gap in my understanding of dark matter. It doesn't bother me enough to do extensive reading on the subject, not even mentioning how little time I have left after my job.
I was watching some broadcasts some of them have been uploaded to youtube. And it's my understanding that the mass/velocity of objects, say a planet or star, is not enough to account to account for that objects gravity/interactions and this is where the thought of dark matter first started.
Now the problem. I'm having a problem understand how when two galaxies collide the detectable matter(planets stars) collide but the gravity well from the dark matter have been detected keep moving in the same direction.
To me this seems an enormous problem. If the dark matter isn't somehow interacting and somehow attached to light matter(detectable planets, stars, etc) and can go off in it's own what's keeping the whole thing from unraveling?
Unless the dark matter is not attached and is "pooling" with light matter and their gravity is interacting until something catastrophic enough happens to dislodge dark matter from it's interaction?
Any physics hobbyists want to set me straight here?
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