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These 108 comments are related to the topic:
Mind blowing.....HUGE black holes.....
Mind blowing.....HUGE black holes.....
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Replies: 108
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now!
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Brendan - I've sent you a message re the other thread you're on.
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in 100 years from now, i think they will know very little more about black holes than today. they are hardly likely to visit any, or send probes etc, as they are so far away, telescopes can hardly be improved much more than whats available today.
so who thinks im way off? |
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truly fascinating though
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I think they will be able to send probes into black holes in the future but not in our time. There are so many in each galaxy and you`d be surprised how many are in our own back yard. The thing that fascinates me is that it has been discovered that there is a super massive black hole at the centre of every known galaxy. IMO, this is not mere coincidence and is the key to the truth about the Universe. The question is WHY? I actually think that our Universe is actually contained within a super monster massive black hole, but then again, maybe I`m nuts.
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I'm not too sure about the prospect of probes being sent into black holes. The closest Black Hole is 1600 light years away
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they call them spiral galaxies, i think, heard the phrase anyway, black hole exerting a force at the centre and like a plughole in your sink, sucking stuff into the center, eventually we get sucked into it?
for some reason i favour the billions of different universes, how could one even begin to prove this is true, imagine if it was, makes the question of life other than on earth a ridiculous numbers game |
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very good post snorki. makes the mind boggle.
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Heres a question. assuming sometime in the distant future it is possible to send a probe into a black hole, would it be possible for it to send radio signals back to mother earth if not even light can escape from a black hole?
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themightymac
No, it's not possible. I think I'm right in saying that light rays and radio signals are both forms of electro magnetic radiation, but at different ends of the spectrum. Plus, any probe would get crushed to a dot by the gravitational force of a black hole. |
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I don't think it's by any means 'certain' that life exists elsewhere other than earth in our universe. It's a possibility of course, but it's also possible that we're all alone. It depends on the probability of all the factors that make life happen coming together.
The odds could be higher than the number of atoms in the universe, never mind the number of planets, in which case we would almost certainly be alone in the universe. |
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nice post get me a drink.
I suppose the odds on life evolving on another planet are astronomical (pardon the pun)  but surely with so many stars and planets and possibly an infinite number of Universes, those odds must have tumbled. IMO, it`s a certainty that there are other forms of life, however primitive, on millions of planets throughout the Universe.If there isn`t and life on Earth is so special and the Universe was created by God, the big question is, why did he also create so many lifeless worlds? Just to confuse us and test one`s faith? |
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I've had a little think about it and I think there's a good chance that there is life throughout the universe, simply because there must be so many earth like planets out there because the same processes that created the earth have been repeated ad nausium throughout the galaxy and wider universe.
However, if we are indeed alone, this doesn't mean we were necessarily created by God, it just means that we got very very lucky. |
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If God does exist, I think we are like a micro chasm of what he is, in a fractal like way.
I also think the universe was a black hole once that sucked in one too many particles and just exploded. |
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possible getmeadrink - perhaps you`ve solved the mystery of the big bang.
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The event Horizon is it's gravitational pull from which light can't escape isn't it? I would imagine the Event Horizon of a Black Hole with 10 Billion times the mass of the Sun to exert a pull of at least a few billion miles - maybe a lot more
Yes it is a boundary inside of which nothing can escape from or be known about. I’m going to stop making flippant remarks about black holes and dustbins. Whatever way you look at it, 10 billion solar masses is big. I’m not sure it is 5000 times the radius of the orbit of Pluto though, I think it is less than 6, might be wrong though. I just thought it was funny that the BBC had apparently switched from ‘mass’ to ‘size’, which gives you a misleading mental picture if you are not aware of the difference, as many of the general public wouldn’t be, admittedly it hardly matters in the scheme of things. I’m not sure what you mean by a pull sufficient not to let any light out - you use the word ‘pull’ twice. If you mean outside the event horizon, then light will be travelling at c (as always) but will be greatly red-shifted as the field stretches its wavelength. Gravity is a weak force. The attraction falls off quickly as with any mass so that if, say, a spacecraft were to go by it would be subject to whatever strength of gravity, but if it moved twice as far away, it would only be subject to a quarter the pull previously. I think this is why stars don’t cascade into black holes like you’d imagine they would, or the Mercury into the Sun. As for being in a black hole ourselves, well we are moving towards ‘something’ along with all(?) other visible galaxies, aren’t we? (the Great Attractor, the Shapely Supercluster) so it's possible. |
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Snorki
09 Dec 11 00:31 telescopes can hardly be improved much more than whats available today. Woah woah WOAH! Crazy statement. Telescope technology will continue to grow just like most other technologies and 100, 1000, 10,000 years from now will be almost unrecognisable from today's seemingly pathetic instruments. Their development will continue to follow a similar (if not quite as rapid) development as described by Moore's Law. |
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ÖÐÎÄÂÛ̳
09 Dec 11 00:45 Joined: 08 May 08 | Topic/replies: 4,337 | Blogger: ÖÐÎÄÂÛ̳'s blog I'm not too sure about the prospect of probes being sent into black holes. The closest Black Hole is 1600 light years away This made me titter. I think you'll find that this has been going on for years in the Nairobi Haemorroid clinic. |
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is it rue that no one really knows what goes on inside a black hole beacause the currently accepted laws of physics can no longer be applied...
(and quite obviously nothing can get in there and sent data back to verify things)... if so perhaps each black hole is a gateway to a new universe...!!!!.. perhap the mechanics of the black hole are such that it can rip apart the fabric of space and time and at the black holes deepest recess a new universe in formed.... and that this what the "big bang" actually was......nothing but the stored energy of a black hole in some other universe causing our own universe to be born!!!! |
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if it takes a female and a male to make a human being could one of the guys on this very intresting thread please inform me how the first male and/or female ever came about please and also how did they know what to do to make life. Thanks in advance.
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Darwin's theory of evolution seems right to me. All living things reproduce and evolve. What came first chicken or egg? well it has to be the egg eggs were around long before chickens. There are egg laying creatures and live bearing creatures, live bearers like humans keep the eggs inside.
OK so much for that, going back to the original subject. If the things we see with telescopes are billions of light years away, what we see has taken billions of years to get here. We are looking at things as they were billions of years ago. How do we know what they are like now. Perhaps its all an illusion. |
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Read what appeared to be an authoritative book many years ago that debunked the big bang theory.
Something about super clusters(galaxies)needing way more than 14.5 Billion years to realign I would love to re-visit but can't remember the title.Help would be appreciated. |
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Angry Monkey
09 Dec 11 09:14 Joined: 08 Feb 09 | Topic/replies: 118 | Blogger: Angry Monkey's blog Snorki 09 Dec 11 00:31 telescopes can hardly be improved much more than whats available today. Woah woah WOAH! Crazy statement. Telescope technology will continue to grow just like most other technologies and 100, 1000, 10,000 years from now will be almost unrecognisable from today's seemingly pathetic instruments. Their development will continue to follow a similar (if not quite as rapid) development as described by Moore's Law. They say Hubble can see back to just after the big bang, now how can that be greatly improved.....?????? Maybe the telescopes of the future will see before the big bang, technology is a wonderful thing, lol. The advances on Hubble are infra red and other electromagnetic spectrum's. To me Angry Monkey believes that magnifying glasses of the future will be so much better than the ones of today. I refute your argument, any response Monkey? |
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boggle 09 Dec 11 09:14
Whatever way you look at it, 10 billion solar masses is big. I’m not sure it is 5000 times the radius of the orbit of Pluto though, I think it is less than 6, might be wrong though. Yes, I got a factor of 1000 wrong there by using one number in km accidentally. If the size for a solar mass is 3km, then the size for 10bn masses is 30bn km (as r=2GM/c^2). This is just over 5 times the orbit (semi-major axis) of Pluto - still further than Tesco. |
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Shouldn't bigger black holes be smaller?
An interesting fact that I've posted many times before but if a car were to drive to the Moon at 50mph, it would take 3/4 a year to get there. |
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I guess I know what you mean, but it doesn't work like that.
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is this a thread on rusty lee ?
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Dianne Abbott - one of your lot.
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not rusty or diane
this is RBS's off balance sheet financing (83%) owned by the taxpayer |
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super mind blowing...yep
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Mind blowing.....HUGE black holes.....
??????????? Was it a photo of a certain MP with legs akimbo, naked ? |
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I think she's an astronomer on the quiet, she keeps looking up. All she's lacking is the telescope on the front of her face.
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that image is now etched in my mind twomatch....
and not in a good way!!!   |
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I have no idea what you mean.
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Very thought provoking.
Whilst there is a good possibility of life existing somewhere/when in the universe, there are huge barriers preventing us from ever detecting Firstly for every planet that bears life far fewer will boast intelligent life and far fewer still will develop technology. Dinosaurs ruled the world for 120m years without even inventing the wheel. Second is the time factor. For how much of earth's 14.5 billion years has there been intelligent life, capable of space travel and radio communication? The chances of more than one such planet coexisting are vastly reduced. Finally the distances play a significant part too. There could easily be thousands of civilisations existing right now way too far away to ever stand a chance of communicating or visiting us. Or we may get a message sometime from a civilisation that has been extinct for billions of years. |
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Angel Gabriel
07 Dec 11 20:50 Joined: 09 May 05 | Topic/replies: 3,831 | Blogger: Angel Gabriel's blog See we still dont really know what came first, on Earth. The virus or the host? That's as daft as asking what came first, reading or writing? |
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Also, the big bang was when space and time were created. It was the start of time so "before the big bang" doesn't exist in the same way as "outside the universe" doesn't exist. We cannot conceptualise this however.
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"Dinosaurs ruled the world for 120m years without even inventing the wheel" doubt the dinosaurs really needed wheels tbh.
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Neither did we.
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catfloppo Joined: 16 Nov 06
Replies: 1158 01 Feb 12 13:34 Also, the big bang was when space and time were created. It was the start of time so "before the big bang" doesn't exist in the same way as "outside the universe" doesn't exist. We cannot conceptualise this however. ..that depends on whether indeed the universe did start with a "big bang".... ..and also whether you think the concept of "time" exists without human consciousness to observe it. |