2006-12-07 16:48:47 · 13 answers · asked by Nelle 2 in Science & Mathematics ➔ Astronomy & Space
http://chandra.harvard.edu/photo/2005/sgra/index.html
http://www.mpe.mpg.de/ir/GC/index.php
http://en.wikipedia.org/wiki/Sagittarius_A%2A
http://en.wikipedia.org/wiki/Supermassive_black_hole
yes, it is true. it is located at the center of the galaxy which is estimated to be 26,000 ± 1400 light-years away, and it is about 3.7 million solar masses. it is marked by a radio source called sagittarius a* (sagittarius a star). do yourself a favor and follow the above links.
2006-12-07 16:55:58 · answer #1 · answered by warm soapy water 5 · 3⤊ 0⤋
Yes it's true. It is about 3.7 *million* time the mass of our Sun. It is located in the core of the galaxy. We know it's there, it's not just speculation. Several stars have been spotted orbiting an invisible object at very high velocities, and there is no explanation for this object other than an extremely massive black hole. Additionally, as "braxton_paul" pointed out, pretty much all spiral galaxies have a supermassive black hole at the center.
2006-12-07 16:57:34 · answer #2 · answered by The Wired 4 · 0⤊ 0⤋
it really isn't any longer the Earth which will fall into the solar. at the same time as the solar will grow to be a purple vast, the more beneficial photo voltaic winds nonetheless is definitely no longer reliable sufficient to push the Earth out of damage's way. And the Earth can were cremated lengthy earlier it really is vaporized, so do not problem about it too a lot. as well, I doubt if we are going to be round in seven billion years at the same time as this receives to be a difficulty.
2016-11-24 22:25:12 · answer #3 · answered by money 4 · 0⤊ 0⤋
A couple of years ago astronomers were able to confirm that there is indeed a super-massive black hole at the center of our galaxy. It's mass is at least 1-million times greater than that of our sun. Further research has shown that most, if not all, spiral galaxies like our Milky Way have these giants at their hearts. See this website for pics and more details ==>http://www.esa.int/SPECIALS/Integral/SEMSKPO3E4E_0.html
2006-12-07 16:55:27 · answer #4 · answered by Chug-a-Lug 7 · 2⤊ 1⤋
Yes.It's called a super massive black hole, and almost all the galaxies have one in their center. Some are active like M87 and some are inactive like our own Milky Way.
2006-12-07 23:18:23 · answer #5 · answered by Sam 1 · 0⤊ 1⤋
those stars that are orbiting an invisible source at extreme speeds...
...this does not mean that it is a black hole what if it were something else.
something like, now this is outside the box, a galaxy generator yes who knows it could be or maybe it is just a black hole, i think my idea is fun to play with and makes you use that rusty imagination,
demosthenes
2006-12-07 17:15:06 · answer #6 · answered by demosthenes1525 2 · 0⤊ 2⤋
Yes! But realize that our galaxy is HUGE. If our solar system was your yard, the galaxy is larger than the whole world.
Who the hell rated this negative and explain why?
2006-12-07 16:56:36 · answer #7 · answered by Anonymous · 1⤊ 1⤋
black holes are huge bodies in space which are known to suck in the energies of huge planets bigger than the sun according to hubble space telescope. balck holes are known to be invisible so i bet there are many more biggies
2006-12-07 17:36:41 · answer #8 · answered by swap 2 · 0⤊ 1⤋
yes,it's true
there is a supermassive black hole at the centre of most galaxies
2006-12-07 17:11:16 · answer #9 · answered by silverwater92 2 · 0⤊ 0⤋
yes, it is in the centre of Milky way galaxy, but is dormant.
2006-12-07 16:56:43 · answer #10 · answered by DM 1 · 0⤊ 2⤋