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Black Hole Detection

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posted on May, 11 2005 @ 04:21 PM
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Okay My Science teacher told me that our telescopes cannot physically see Black Holes. Okay then so I started watching Discovery Channel, then they said that we detect Black Holes by measuring magnetic things etc. (I DONT REMEMBER). How exactly do we do this if we can't go near the Black Holes.




posted on May, 11 2005 @ 04:25 PM
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If a black hole has a companion star, it usually is stripping gas from it. What forms is a hot accretion disk, fast spinning. It explains some of teh X-ray sources out there.

Another thing is lensing of light.



posted on May, 11 2005 @ 04:26 PM
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i am not a pro but can remember stuff like it it is near a star you can see the trail of light from the star to a swirl also i think you use something like radiation micro gamma rays or something like that.



posted on May, 11 2005 @ 04:36 PM
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Another thing is, if you track a few objects rotating around a common center, you can infer the mass of that central object. If you don't see it, it's gotta be a black hole.



posted on May, 11 2005 @ 05:53 PM
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This may be of some interest to you

[edit on 11/5/2005 by antiriad]



posted on May, 11 2005 @ 09:41 PM
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I'm not at all a specialist with this type of stuff but I recall hearing about a certain kind of radio wave or something of the sort, that right before it reaches the event horizon of a black hole releases radio waves/micro waves/x-rays and then the event horizon absorbs it. But the signals it sent out right before reaching the event horizon can be detected. Sorry, that's the best input I can give on this one.



posted on May, 12 2005 @ 12:43 AM
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Black holes have massive gravitational fields, and they affect the things around them, like stars. Sometimes a black hole is found near a star, and the black hole's gravity starts pulling matter off of the star, and the stream of matter can be seen entering the black hole. Also, in some solar systems, there are what are called binary star systems, and sometimes one of those stars is instead a black hole. So, they can basically see this star orbiting something invisible.

Take a look here:
csep10.phys.utk.edu...

It might explain some stuff you are wondering about



posted on May, 12 2005 @ 03:44 PM
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Well can the center of our Milky Way Galaxy become or is a Black Hole. If not what is the closest Back Hole to uor planet.




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