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Originally posted by they see ALL
amazing...
niiice thread...
i wonder what would happin if we went through the galaxy???
would we crash???
Originally posted by thelibra
Thank you... apparently I was just a tad bit too late, but didn't see the ATSN news link at the time of posting...
www.abovetopsecret.com...
Mods, feel free to close the thread in lieu of the other...
"In the Virgo cluster of galaxies, they found a mass of hydrogen atoms a hundred million times the mass of the Sun." and "From its speed, we realised that VIRGOHI21 was a thousand times more massive than could be accounted for by the observed hydrogen atoms alone.".
Originally posted by thelibra
That, and because of the proximity, and easy observance, we may be able to study dark matter a lot more reliably than before.
Originally posted by thelibra
... but this shows up close enough to be within SETI's sphere of detection. I'd love to have those radio telescopes pointed towards it and see what we can find as a result. That, and because of the proximity, and easy observance, we may be able to study dark matter a lot more reliably than before.
Originally posted by cmdrkeenkid
It seems like dark matter is being found left and right recently!
Originally posted by thelibra
Originally posted by cmdrkeenkid
It seems like dark matter is being found left and right recently!
Which gets me wondering:
With all this dark matter being found recently, does it mean that the amount of dark matter is increasing, or just that our methods of finding it have improved?
Originally posted by sardion2000
Our methods, techniques and hardware has improved. Has Arecibo undergone any upgrades recently??
Originally posted by Nygdan
I'm confused, dark matter, its different from 'baryonic' or regular matter, yet this galaxy is detected via radio emissions, caused by hydrogen gas. So is this dark galaxy composed solely of hydrogen gas, not dark matter? Or is dark matter just baryonic matter that is difficult/immposible to see because its diffuse and unlit?
Or are they saying this galaxy is in bulk composed of exotic dark matter, and swirling within it, trapped in it, is hydrogen gas, that is emiting radio waves?
edit to add
are there then 'dark matter' equivalents of baryonic matter? Like 'dark hydrogen' and 'dark carbon' etc, as with anti-matter? or is it unknown?
[edit on 23-2-2005 by Nygdan]
Originally posted by thelibra
In answer to MemoryShock's question, it would appear that, per the first article:
"In the Virgo cluster of galaxies, they found a mass of hydrogen atoms a hundred million times the mass of the Sun." and "From its speed, we realised that VIRGOHI21 was a thousand times more massive than could be accounted for by the observed hydrogen atoms alone.".