Do you have an opinion?

Bob Hubbard

Bob Hubbard

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I didn't want to highjack the thread concerning the Hadron Collider, and it got me to thinking.
Without giving a comical answer, or anything else that could be considered off subject, I would like your best, and honest answer to this question.
Do you think the earth, as we know it will end, and if so, why, and when, in your best observation could it, or would it happen?
Bob.
 
Half-serious, half-joking... on or about August 2nd, 8,561,223,567 AD. Around then the sun will have expanded into a red giant, enveloping the earth.

"As we know it," there's always the rogue asteroid or comet. That could happen next week. We've been hit several times before, some of which practically sterilized the entire planet.
 
Well, so far there have been over 200 dates, and counting, predicting the end of the world.... and we are still here.

Here is and interesting list.
http://www.bible.ca/pre-date-setters.htm

Religion always seems to be the messenger of doom, doesn't it. I don't mind someone else wanting to meet their God sooner rather than later.... I just prefer that you go alone and leave me out of it.

As for the Hadron Collider, I say fire that baby up and let's see what she'll do!
"For exploring the unknown is to open your eyes to discovery, and without discovery, you will surely be consumed by ignorance."
 
Never happen. The LHC will probably never work to any ones expectations let alone make a black hole. There are lots of little things to account for with the creation of a black hole some in which many believe can only take place in space and I really dont believe the LHC will get anywhere close to making the exact conditions found in space.
 
I don't want to get into astrophysics and all of that, so I'm going to make this as casual and unscholarly sounding as possible.- but doesn't a black hole have a great deal of mass. By definition, it has such a gravitational pull, due to it's mass, that it bends light and all the other stuff. So how could they make a such a powerful blackhole to even threaten the lab, let alone the world?
 
Actually a black hole is a hunk of matter that has some how gotten so small that the gravitational field around it is so strong that light cannot escape it.


It how ever takes a star 4x's bigger than our sun according to Einsteins theory to produce a black hole but black holes are and probably will be for years to come still misunderstood..


A black hole is also a singularity in which is so strong that any radiation/light it may produce would be pulled back into itself making it invisible.
 
JWerner2 said:
Actually a black hole is a hunk of matter that has some how gotten so small that the gravitational field around it is so strong that light cannot escape it.
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Exactly- a huge amount of mass in a tiny little space.
So it has the gravitational pull of a star, or stars and everything that it has attracted, but in that tiny spot. So much mass in such a small space that it's gravitational force can bend light.

To use your Einstein reference, how would they get 4x the mass of the sun into the lab? I would suspect that even if they could get matter to collapse, it still wouldn't be of sufficient mass to do any damage to the lab, let alone the planet....
 
Exactly- a huge amount of mass in a tiny little space.
So it has the gravitational pull of a star, or stars and everything that it has attracted, but in that tiny spot. So much mass in such a small space that it's gravitational force can bend light.
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Sorry, I misinterpreted your post. I thought since you only referred to its mass you were stating that it was in fact a large object. How ever it is so strong that it has more of a gravitational force than even the largest sun yet to be known. It can in fact pull entire solar systems out of its stars orbit including the star itself. and rather than just bend light it absorbs it but it is something yet to be understood. I guess some believe it bends light and some believe it devours it. I believe the theory of devouring giving the fact it is so strong it pulls any light it would produce back into it.

To use your Einstein reference, how would they get 4x the mass of the sun into the lab? I would suspect that even if they could get matter to collapse, it still wouldn't be of sufficient mass to do any damage to the lab, let alone the planet....
Click to expand...


I would have no clue how they can do it which is one reason why I do not believe it will work to fullest expectations but again it is only Einsteins theory not mine.
 
Theudas obviously made his prediction in order to create TV activity and pump his book sales. I conduct myself as 'No one knows...'. As to your rejection of Christianity, If I'm wrong, the only thing that'll be said regarding my demise is that I tried extra hard to live properly. But if you're wrong, I suppose you'll wish that you'd been 'bothered'.
KS
 
Marcus said:
Half-serious, half-joking... on or about August 2nd, 8,561,223,567 AD. Around then the sun will have expanded into a red giant, enveloping the earth.

"As we know it," there's always the rogue asteroid or comet. That could happen next week. We've been hit several times before, some of which practically sterilized the entire planet.
Click to expand...

Yeah -- what he said. :)

There's about a 1 in 300 risk of one hitting in 2880 -- it's this one here: http://en.wikipedia.org/wiki/(29075)_1950_DA. Here's a list of other impact risks: http://neo.jpl.nasa.gov/risk/
 
One great reason we should not take Jupiter for granted:D Most threats have a higher chance of being puled into its gravitational filed and end up colliding with it, its earths guardian:D
 
It's the density that makes it such a gravitational pull. It can't come from nowhere, I highly doubt it would happen.
 
Calabrio said:
Exactly- a huge amount of mass in a tiny little space. . .
. . .how would they get 4x the mass of the sun into the lab? I would suspect that even if they could get matter to collapse, it still wouldn't be of sufficient mass to do any damage to the lab, let alone the planet....
Click to expand...

It just needs to be a huge mass relative to the area it encompasses. So if you squash together some really tiny particles so tightly that their gravity prevents nearby mass from escaping at any speed, you'll have your self a tiny black hole. Anything too close to escape is within the black hole's "event horizon," and it just gets sucked in with the other stuff.

The smaller they are, though, the more temporary they become. And at that level, the event horizons would be so small that they essentially evaporate by radiating all their elementary particles.

JWerner2 said:
I guess some believe it bends light and some believe it devours it. I believe the theory of devouring giving the fact it is so strong it pulls any light it would produce back into it.
Click to expand...

They would actually do both. If the light comes close to the event horizon but not through it, then it will be bent by the mass of the hole. But if it enters into the event horizon, then it won't be able to get back out.

fossten said:
It's still one of the best movies ever made.
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What is? Wha'd I miss? I've actually been looking for movie recommendations lately...
 
fossten said:
It's an old movie called The Black Hole. It has some famous actors in it. I think it's from 1979. It's pretty good.
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Oh yeah -- that does ring a bell... I'll have to check it out again. (We're probably going to ditch cable TV entirely pretty soon, so we've been loading up the Nexflix list. :) )
 
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