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[WD] Astronomers Weigh Heaviest Black Hole Yet At 6.6 Billion Suns.

post #1 of 10
Thread Starter 


http://www.wired.com/wiredscience/20...vy-black-hole/

Quote:
At nearly 6 trillion times the mass of the sun, M87 is the most massive galaxy in the Milky Way’s cosmic neighborhood. Astronomers expected it to host a correspondingly huge black hole, but the most commonly accepted estimates — based on measurements from the Hubble Space Telescope — found the black hole weighed just 3 billion solar masses, give or take a billion.

But although Hubble “has taken the lead in terms of black hole measures, it can’t do the biggest ones,†Gebhardt said.

To pin down the monstrous black hole’s mass, Gebhardt and his colleagues used the Gemini North telescope atop Mauna Kea in Hawaii to measure the speeds of stars zipping past the galactic center.
Oh my!

Sounds like somebody needs to cut down on the carbons
post #2 of 10
Ok that pun was terrible, you should be punished for that one. LOL.
post #3 of 10
Quote:
Originally Posted by thrasherht View Post
Ok that pun was terrible, you should be punished for that one. LOL.
Then you can go SUCK IT!
    
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post #4 of 10
Pretty sure weight =/= mass.
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post #5 of 10
Did they borrow a scale from the local Jenny Craig?
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post #6 of 10
Quote:
Originally Posted by Limes View Post
Pretty sure weight =/= mass.
Yes.
Weight is a force which is the product of an object's mass and the acceleration due to gravity.
post #7 of 10
Quote:
Originally Posted by frickfrock99 View Post


http://www.wired.com/wiredscience/20...vy-black-hole/



Oh my!

Sounds like somebody needs to cut down on the carbons
And somebody needs to cut down on the carbpuns.

Quote:
Gebhardt and colleagues used supercomputer models to calculate the black hole’s true heft: 6.6 billion suns, give or take 0.25 billion.
Really? Give or take 250,000,000 solar masses? How delightfully accurate! That's almost 2 whole significant digits!
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post #8 of 10
Taking a 1 hour tour around it would send you ~2 hours into the future. Gravity distorts time.
Edited by Nautilus - 1/13/11 at 12:13pm
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post #9 of 10
Thread Starter 
Quote:
Originally Posted by Kirmie View Post
And somebody needs to cut down on the carbpuns.
Not too shabby.
Your timing needs work
post #10 of 10
Quote:
Originally Posted by Limes View Post
Pretty sure weight =/= mass.
Mass and weight have little to do with each other.

It is gravity and mass that matter. Weight is calcualted via the pull of gravity on a particular amount of mass, thus this is why we would weight 1/6 as much as one would weight on the moon.
 
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Overclock.net › Forums › Industry News › Technology and Science News › [WD] Astronomers Weigh Heaviest Black Hole Yet At 6.6 Billion Suns.