Do supermassive blackholes exist in every galaxy in our univ

[jsangani]

<b><i>Hello readers, </i></b><br /><p><i>I came across this video from the Discovery channel, it is regarding the supermassive black holes. </i></p><br /><p>http://video.google.com/videoplay?docid=-3834632996973653146</p><br /><i>Kindly watch the video, I was a bit confused by the existance of this black hole</i>

 

[alokmohan]

The existence of black hole itself is disputed.But usually scientists believe that they exist at the core of every galaxy.But it a matter of deduction just a black holes are matter of deduction.Well established analysis of general theory of relativity proves existentense of such things.

 

[CalliArcale]

It is widely believed that yes, supermassive black holes exist at the center of galaxies. Until recently, this was merely suspected, but some very interesting work measuring the doppler shift of stars at the centers of galaxies has revealed that nearly all of them have something abso-freaking-lutely massive at the center. It's hard to imagine that this something would *not* be a supermassive black hole, given that it is evidently concentrated into a comparatively small space.<br /><br />Interestingly, despite its fantastic mass, the gravitational pull from the one at the center of our galaxy is negligible upon the Earth because of the great distance. <div class="Discussion_UserSignature"> <p> </p><p><font color="#666699"><em>"People assume that time is a strict progression of cause to effect, but actually from a non-linear, non-subjective viewpoint it's more like a big ball of wibbly wobbly . . . timey wimey . . . stuff."</em>  -- The Tenth Doctor, "Blink"</font></p> </div>