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Supermassive Black Holes in Merging Galaxies

black holes supermassive black holes galaxies dark matter subaru telescope

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#1    Waspie_Dwarf

Waspie_Dwarf

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Posted 29 January 2014 - 01:40 AM

Active Supermassive Black Holes Revealed in Merging Galaxies


Subaru Telescope said:

A team of astronomers has conducted infrared observations of luminous, gas-rich, merging galaxies with the Subaru Telescope to study active, mass-accreting supermassive black holes (SMBHs). They found that at least one SMBH almost always becomes active and luminous by accreting a large amount of material. However, only a small fraction of the observed merging galaxies show multiple, active SMBHs. These results suggest that local physical conditions near SMBHs rather than general properties of galaxies primarily determine the activation of SMBHs.

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"Space is big. Really big. You just won't believe how vastly, hugely, mind-boggingly big it is. I mean, you may think it's a long way down the street to the chemist, but that's just peanuts to space." - The Hitch-Hikers Guide to the Galaxy - Douglas Adams 1952 - 2001

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#2    Daughter of the Nine Moons

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Posted 29 January 2014 - 02:01 AM

Waspie I saw the title and I couldn't resist (please forgive me).

Spoiler


They're weak to fire! ~ Sugarbear

#3    aka CAT

aka CAT

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Posted 29 January 2014 - 03:58 AM

:-D Greetings.

It rocks.  But , based upon "Supermassive Black Hole of the Milky Way,"
which Waspie posted, I sing magnetar in place of "superstar” and pulsar
instead of  “baby.” Sing along:
Oh baby/pulsar don't you know I suffer?
Oh baby/pulsar can't you hear me moan?...&c.

Also, from the second/last reference made in the article named above,
one can deduce a space/time traveller would have to move
~150 times faster than particles do therein to reach the speed of light.

That's it for trivia Tuesday!

Edited by aka CAT, 29 January 2014 - 04:20 AM.


#4    aka CAT

aka CAT

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Posted 29 January 2014 - 08:42 PM

The figure above was converted from the statement below:
“Decade of the Monster” by Ron Cowen:
[...]the giant black hole at the center of the Milky Way will devour a blob of gas
hurtling toward it at more than 2000 kilometers per second.
http://roncowen.com/...deofmonster.pdf

Pass the Vsauce, please.
(@)(@) What ?!? UM has no Vsauce !?!--
Travel INSIDE a Black Hole



Edited by aka CAT, 29 January 2014 - 09:38 PM.





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