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    Two black holes and the event horizon

    Well, neither light nor electrons can escape a black hole (by the way, I don't think it's correct to say electrons carry light). As regards not seeing light without particles, what do you mean by that? Light IS particles (photons), and it can't NOT be particles.
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    Naked singularities

    Still, they are supposed to be completely theoretical/ the result of complicated math?
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    Naked singularities

    Ok, just HOW could they exist, when the event horizon is just gravity, singularity is supposed to be infinitely contracted mass, and mass is supposed to have gravity? Any insights at all appreciated...
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    Two black holes and the event horizon

    The gravitational force of black holes cannot be exaggerated. Either it's what we think it is, or black holes don't exist. Logic.
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    Two black holes and the event horizon

    That nothing escapes the event horizon is PRECISELY the reason why one of the black holes can't escape another's event horizon. Nothing can. The only way for a black hole to get smaller is Hawking radiation. Essentially, nothing comes out of the black hole just virtual particles with negative...
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    Difference between a Gravity Well and a Black Hole

    Obviously, I meant virtual particles (by the way, Hawking mentions situations where real particles have negative energy). I agree that because of Hawking radiation a black hole gets smaller, its mass/energy decreases, just nothing gets out of it. It's all about quantum fluctuations. I suggest...
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    Difference between a Gravity Well and a Black Hole

    Well, nothing goes OUT of the black hole, it's impossible, just particles with negative energy go in. Or so I understand it.
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    Difference between a Gravity Well and a Black Hole

    Hmm... I thought the point was they DON'T emit it? A black hole loses mass, but never emits any... that's the good part. :rolleyes: :biggrin:
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    If Today's Phoboday, this must be Mars.

    I must say this is the best post I've ever read on the Physics Forums. Or at least close.
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    Light in blackhole

    Well, you SAID "on the event horizon".
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    Light in blackhole

    I think that once you're on the horizon, no rocket will help you.
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    Requirements for a habitable planet

    Obviously, you must define what you mean by "life" so that people can explain the conditions needed for it. I myself think kuengb's explanation was pretty good.
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    Gravity of Black Holes

    Well, a black hole bends space a lot. At the singularity the curvature of space is infinite or close to infinite, depending on which physicist you tend to agree more. A black hole can roughly be defined as everything inside its event horizon. The event horizon is where light cannot escape...
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    Difference between a Gravity Well and a Black Hole

    I might be wrong, but I do think that at least most, if not all, black holes form due to a star collapsing (except for primordial black holes perhaps).
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    Difference between a Gravity Well and a Black Hole

    Hmm... are you saying a black hole is not a collapsed star? What is it then?
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    Throw hawking radiation theory out the window

    I'm sorry, but I don't think you're making any sense at all.
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    Do Quasars exist right now?

    I think we can only assume that the processes in the Universe are more or less the same - if those quasars are not around anymore, perhaps some other are. More important, though, is another question: why does this "time" matter? What is "now"? Is that what you experience? Every particle of...
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    Spacetime distortion - question

    Yes, that was exactly what I meant!
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    Spacetime distortion - question

    Damn. I've always hated relativity. But didn't Einstein state that things in motion distort spacetime more = time flows slower around them?
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    Spacetime distortion - question

    Let's say there are two objects of the same mass. One of the is moving, the other not. Now let's look at both of them at a certain moment of time. In this MOMENT both are still, they occupy a certain space. Can you tell which one is moving based on spacetime distortion (theoretically)?
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    Huge insects destroy 40 foot tree

    Well, I've never heard of such insects, so I'm most interested what such weird ones come from.
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    Any avid readers out there?

    I see that it is useless to argue with you. Obviously the American way is the only way that counts. So when are you going to go to England and say they know nothing about English, because the American way to speak it is the only way to speak (or write) it? This seems like an international...
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    Any avid readers out there?

    [/b] Just in case you have doubts about what Lonewolf said, you can check it at www.dictionary.com. By the way, I wouldn't edit my posts for something like this, I don't know where you got the idea I would. I usually make sure I know what I am talking about before correcting someone's...
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    Any avid readers out there?

    Obviously you cannot express yourself well enough for other people to understand you, then. There's nothing wrong with my comprehension, but I sure would like to know what is wrong with my spelling. Not that a spelling mistake would be a tragedy, considering that I'm from Latvia and knowing...
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    Any avid readers out there?

    I'm a bit tired of trying to explain it, but here goes: ok, writers who write for the shows gain a lot. They have to be creative. The average TV-watcher doesn't gain any 'writing'. Anyway, TV gives you lots of information and no time to think. Good books require concentration and creativity...
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    Any avid readers out there?

    [/b] Straangely enough, I DO see the exclusion, because I said (here's the part you chopped off included), What exactly do you gain / learn from television, more specifically, sitcoms? Wouldn't you agree this sentence looks like I didn't exactly mean educational channels? (Friendly advice...
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    Can mass be created or destroyed?

    Exactly my point!
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    Can mass be created or destroyed?

    Actually, no. What I was talking about was answering the main question of the thread ("Can mass be created or destroyed?"). As some were trying to say it can, I pointed out it cannot because there is not one being (as far as I know) that can create mass. I was not talking about the creator...
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    Can mass be created or destroyed?

    Mentat, I checked "create" in a dictionary. "Create" needs a doer.
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    Any avid readers out there?

    You've got to be kidding! Do you think I was talking about Discovery when I said TV programmes were worthless? I specifically mentioned sitcoms (of course, there are lots of other things like that, like reality shows, soap operas etc.). [/b] I still don't understand what writing one can gain...
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