Visit a black hole

[alokmohan]

Tell me if you fall in a black hole what happens?

 

[weeman]

You enter into another dimension, where you find Elvis, Kurt Cobain, and John Lennon, all alive and well!<br /><br />Actually, if you enter into a blackhole, I would imagine that it is the end of your days. How can anyone survive being crushed into tiny quantum particles? As you approach the event horizon, assuming you are going feet first, you will be stretched. The tidal forces of gravity will stretch you because the pull of gravity is stronger at your feet than it is at your head.<br /><br />Eventually, you might reach a point where the very atoms that make up your body are pulled in a straight line into the blackhole. The blackhole is disassembling you atom by atom. This is one theory. The other theory is that when you are pulled into the blackhole beyond the event horizon, you are stretched instantly all the way to the singularity. This occurs because the atoms in your body do not even have enough time to split. <br /><br />Yet another theory is that you actually will be split in half on an atomic level. I would imagine that this is so fast that it doesn't make for a very bloody ending! <br /><br />Aside from all this chaos, once you cross the horizon nothing matters anyways, your troubles in life are now over! <div class="Discussion_UserSignature"> <p> </p><p><strong><font color="#ff0000">Techies: We do it in the dark. </font></strong></p><p><font color="#0000ff"><strong>"Put your hand on a stove for a minute and it seems like an hour. Sit with that special girl for an hour and it seems like a minute. That's relativity.</strong><strong>" -Albert Einstein </strong></font></p> </div>

 

[alokmohan]

I may come out from the other end through wormhole and go to white hole also.

 

[weeman]

Going through a wormhole? This is a possibility. However, have scientists ever actually seen whiteholes? Is there proof that they exist? I have read about whiteholes and I was under the impression that they are merely theoretical, one has never actually been spotted. <br /><br />Let me ask you this: Where do you end up if you travel through a wormhole? Would you end up somewhere in a distant galaxy that is across the Universe from the Milky Way? Or would you end up in an entirely different Universe all together? <div class="Discussion_UserSignature"> <p> </p><p><strong><font color="#ff0000">Techies: We do it in the dark. </font></strong></p><p><font color="#0000ff"><strong>"Put your hand on a stove for a minute and it seems like an hour. Sit with that special girl for an hour and it seems like a minute. That's relativity.</strong><strong>" -Albert Einstein </strong></font></p> </div>

 

[robnissen]

No whitehole has ever been detected. No wormhole has ever been detected. For now, they only live in the world of mathematical theory. Considering the very large number of blackholes that have been detected, it is highly unlikely whiteholes exist in that none have been detected. I am not sure of how wormholes are detected, but for now you best do with Star Trek reruns.

 

[alokmohan]

Worm holes are permitted toexist as per general theory of relativity.True none has been found so far.Tell me is existence of black hole beyond doubt?Scietistsare not sure black holes exist .It PROBABLY exist.Like wise you cannot ruleout worm holes .They are made of exotic matter.

 

[border_ruffian]

Don't forget the grey holes.<br /><br />

 

[alokmohan]

I am eager to know what is grey hole.Will you help out if you are serious.

 

[border_ruffian]

black hole = an object into which matter and radiation fall, but nothing escapes. <br /><br />white hole = an object from which matter and radiation escape, but nothing falls in. <br /><br />grey hole = an object from which matter and radiation escape, rise to a certain distance above the event horizon, and then fall back in. <br /><br /><br />

 

[CalliArcale]

<blockquote><font class="small">In reply to:</font><hr /><p>Actually, if you enter into a blackhole, I would imagine that it is the end of your days. How can anyone survive being crushed into tiny quantum particles? As you approach the event horizon, assuming you are going feet first, you will be stretched. The tidal forces of gravity will stretch you because the pull of gravity is stronger at your feet than it is at your head. <p><hr /></p></p></blockquote><br /><br />Physicists come up with good names for things sometimes. The name for this is "spaghettification". <img src="/images/icons/tongue.gif" /> <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>

 

[pyoko]

CAT: So, what is it?<br />KRYTEN: I've never seen one before -- no one has -- but I'm guessing it's<br /> a white hole.<br />RIMMER: A _white_ hole?<br />KRYTEN: Every action has an equal and opposite reaction. A black hole<br /> sucks time and matter out of the universe: a white hole returns it.<br />LISTER: So, that thing's spewing time back into the universe? (He dons<br /> his fur-lined hat.)<br />KRYTEN: Precisely. That's why we're experiencing these curious time<br /> phenomena on board.<br />CAT: So, what is it?<br />KRYTEN: I've never seen one before -- no one has -- but I'm guessing it's<br /> a white hole.<br />RIMMER: A _white_ hole?<br />KRYTEN: Every action has an equal and opposite reaction. A black hole<br /> sucks time and matter out of the universe: a white hole returns it.<br />LISTER: (Minus the hat.) So, that thing's spewing time back into the<br /> universe? (He dons his fur-lined hat, again.)<br />KRYTEN: Precisely. That's why we're experiencing these curious time<br /> phenomena on board.<br />LISTER: What time phenomena?<br />KRYTEN: Like just then, when time repeated itself.<br />CAT: So, what is it?<br /><br />from Red Dwarf, http://www.reddwarf.nildram.co.uk/txt/whitehol.txt <div class="Discussion_UserSignature"> <p> </p><p> </p><p><span style="color:#ff9900" class="Apple-style-span">-pyoko</span> <span style="color:#333333" class="Apple-style-span">the</span> <span style="color:#339966" class="Apple-style-span">duck </span></p><p><span style="color:#339966" class="Apple-style-span"><span style="color:#808080;font-style:italic" class="Apple-style-span">It is by will alone I set my mind in motion.</span></span></p> </div>

 

[weeman]

spaghettification? <img src="/images/icons/smile.gif" /> Interesting.<br /><br />Thanks for the nerdy scientist word of the week, Calli! <div class="Discussion_UserSignature"> <p> </p><p><strong><font color="#ff0000">Techies: We do it in the dark. </font></strong></p><p><font color="#0000ff"><strong>"Put your hand on a stove for a minute and it seems like an hour. Sit with that special girl for an hour and it seems like a minute. That's relativity.</strong><strong>" -Albert Einstein </strong></font></p> </div>

 

[alokmohan]

Congrats Calli.

 

[chembuff1982]

If you fall in a black hole, you would be accelerated so fast you would die, if you survived that, you'd be smashed by the gforce of the black hole, if you survived that you'd be melted in the interior. <div class="Discussion_UserSignature"> You may be a genius, but google knows more than you! </div>

 

[six_strings]

Hmm, I may be wrong, I have heard it hypothesized that in the case of a galactic black hole or a SMBH, the tidal forces would be much much less.... It's the little ones (relatively) that will tear you to shreds... <div class="Discussion_UserSignature"> </div>

 

[alokmohan]

Well upto the event horizon tidal forces are less fo a billion solar mass black hole.The tidal gravity there makes you bear a force of 15 g,your tolerance limit.Tidal force is less larger the black hole and vice versa.But once you go inside yhe singulareity,may Wheeler help you.The is absolute chaos.you are stretched and squeezed in all directions,you become quark.

 

[six_strings]

Well, ya, once arriving at relative locality to the singularity... You would be broken down to elementary particles...<br /><br />So you believe it may be true? or at least possible? How would one's velocity effect the tidal forces? Would having a high velocity towards the singularity counteract some of the tidal forces? <div class="Discussion_UserSignature"> </div>

 

[alokmohan]

What happens inside the singularity is not known.You cannot calculate by theory of relativity or quantum mechanics,The physics inside is a fiery marriage between theory of gravity and quantum mechanics.It is quantum gravity that controls singularity.You may see John Wheeler in website and you may like to read it.He coined the name black hole.

 

[lukman]

Journey To A Black Hole <div class="Discussion_UserSignature"> </div>

 

[alokmohan]

A very nice web from which we can learn.But if black holes really exist.

 

[alokmohan]

Keep up lookman .

 

[alokmohan]

Dont delay. visit a black hole.

 

[alokmohan]

In astrophysics, spaghettification is the stretching of objects into long thin shapes (rather like spaghetti) in a very strong gravity field, and is caused by extreme tidal forces. In the most extremes cases, near black holes, the stretching is so powerful that no object can withstand it, no matter how strong its components are.<br /><br />The word spaghettification comes from an example given by Stephen Hawking in his book A Brief History of Time, where he describes the plight of a fictional astronaut who, passing within a black hole's event horizon, is "stretched like spaghetti" by the gravitational gradient (wikipedia.)<br />

 

[alokmohan]

Any objecon to send criminals at black hole?

 

[alokmohan]

Best of punishment.None will dare to commit crime.