You need imagination. Hmm-m.
This planet, the Earth, is a member of a Solar System which is centered about a star called The Sun. Our particular Solar System is one of many (200 + Billion are estimated) that lie within the Milky Way Galaxy. This Galaxy represents all of the stars that may be seen with the naked eye on a clear sky evening.
The Milky Way Galaxy is shaped in a flat disk formed of multiple spiral arms rediating out from a central hub. Now,
zeroing in on your question, the central hub of our Galaxy is composed of a fantastic number of densely packed stars and dust. The stars are so tightly packed together that the entire area just glows brightly and thus we cannot see the individual stars in there.
Scientists and Astronomers suggest that at the core of the Milky Way Galaxy there is a Black Hole.
However, since Black Holes are invisible to the eye (trapping all visable light within themselves) and we are blinded by the mass of stars within the central core, it is difficult to prove or disprove the theory.
2007-09-28 16:15:01
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answer #1
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answered by zahbudar 6
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We do have a black hole in the middle of the Milky Way. Things are collapsing around it.
In another galaxy, Barnard 68, the black hole at the center has swallowed so much around it, all fields have been destroyed, and millions of stars have left a huge, empty patch in that galaxy, as they've "fallen in". The entire galaxy is dying, so, I guess that would quickly happen to our little solar system, if it would even survive the sun's giant red phase (not bloody likely).
Have some iced tea, and enjoy the sunset!
2007-09-28 23:46:46
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answer #2
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answered by ciamalo 3
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The minimum size for a black hole is several times more massive than the sun so if one did come into our solar system it would seriously disturb the orbits of every planet. It would be the end of the solar system as we know it. Planets could be expelled from the solar system completely or fall into the sun or black hole or crash into each other.
2007-09-29 00:53:47
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answer #3
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answered by Michael da Man 6
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The minimum mass for a black hole to exist is about 2 solar masses.
If one existed in any part of the solar system it's gravity would be very noticeable.
You would not see it,it's diameter would be about 3 km. but it's gravity would dominate the solar system.
2007-09-29 08:58:25
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answer #4
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answered by Billy Butthead 7
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I think that Our Sun could be a contributing factor of a black hole forming!! Sure our solar systems sun is just that !! "Another star/Sun !! But amongst the vast amount of SOo'called stars/suns.. "It too may or will collapse someday !! Also keep in mind that our solar systems sun is but what's known as a DWARF !! when you size it up to other stars or suns in the vastness of outer space. "Once it does collapse or burn out/die.. It too may become a Black Hole !?! But I've heard some scientist claim it wo'nt take place for a long while !?! ;-`{}"Do'nt believe the hype"~!!Or might it suddenly start showing signs of it violently dying by: ?? mid summer in the next 5/10 years from now ???? ;-`{ "I welcome ALL input!! comments,predictions !! so`forth !?! "Only fire`men can claim to "CONTROL A FIRE" !!! 'R"r,r`r.r'-
2007-09-28 23:12:17
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answer #5
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answered by ? 5
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earth wouldnt be sucked in to the black hole. if the sun somehow gained more mass and collapsed into a black hole earth would be destroyed by the supernova. if we assume earth doesnt get knocked off of its orbit by the supernova then the earth wont get sucked into the black hole. it would continue on the same orbit as it is today.
o and earth wouldnt enter an alternate reality, thats just a dumb idea. a black hole is just a single very dense and massive point. its not a link between universes. the whole white hole/black hole idea violates several laws of science, so its not a link to some other dimension.
and to the second dude, the chances of it happening here are near 0%. a super massive star has to collapse to cause a black hole, and since the only star in our solar system is our sun, and its not big enough, theres almost no chance of i happening.
2007-09-28 22:38:55
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answer #6
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answered by Anonymous
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Everything would be sucked up we'd all die (if anyone is still on Earth at that point) and Alpha Centauri 4 would become the new capital of the Intergalactic States of Humans dominated by the Chinese Communist government that bought democracy on eBay in 2046.
2007-09-28 23:32:51
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answer #7
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answered by Tails 3
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There is not enough mass in the solar system to create a stable black hole.
A small unstable black hole could exist for a brief amount of time, but there is nothing natural around to create it and humans cannot yet create enough force to make one of significant size. All black holes emit Hawkings radiation, named for Stephen Hawkings. If I understand it correctly, certain subatomic particles enter and leave existence at random, in random locations with random velocities. Some of these come into existence near the edge of a black hole but outside the event horizon and with a velocity that takes them away from the black hole. As they leave, they cause the black hole to lose energy, which in turn results in a loss of mass. Large black holes have a larger mass to surface ratio and hence suck in more matter than they lose to Hawkings radiation. Small black holes have a small mass to surface ratio, and lose more mass because of emitted radiation than they absorb as infalling matter.
A large stable black hole could somehow be undetected out there and poised to move through the solar system, but that is not likely. Any mass large enough to be a stable black hole would almost certainly have produced gravitational effects we would have noticed. Also, the amount of mass in interstellar space is relatively small. Any black hole is quite likely to be in the core of a galaxy, not floating between galaxies.
The nearest galaxy is the canis major dwarf galaxy, it is about 25,000 light years away. The nearest comparable size galaxy is Andromeda at 2.1 million light years.
It is thought super massive black holes exist at the core of many galaxies, and galaxies do collide. Orbital mechanics make it difficult to create 3 objects of similar size in orbit around each other. If 3 galaxies with super massive black hole cores collided, it is conceivable that one of the black holes would be ejected into space as a wanderer. It would almost certainly pass through many solar systems while exiting the galaxy it was ripped from, and would conceivably pass through another galaxy, being 'in the solar system' but the distances are so large, it would take a very long time to do so.
It does not appear that our galaxy has been in a colllision, but Andromeda has been. So maybe there is a wanderer out there, but it is unlikely, and even if it exists, it is probably far, far, far from our solar system.
I hope this helps.
2007-09-28 23:02:13
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answer #8
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answered by Janet 2
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There simply isn't enough mass in the Solar system (including the planets) th make a black hole. And if one came ripping through from 'out there' it would perturbate all of the planetary orbits to the point that the Earth very possible might not be -able- to sustain life any longer.
Doug
2007-09-28 22:38:11
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answer #9
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answered by doug_donaghue 7
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If there were a black hole anywhere near the solar system, we'd have detected it ages ago because of its gravitational effects. As far as we know, the nearest black hole is at the centre of our galaxy, and that's a long long way away.
2007-09-28 23:00:18
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answer #10
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answered by GeoffG 7
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