If the universe is infinitely old, doesn't that imply it will never end?

Question

Not assuming either, go nuts!

As in I'm not assuming either.
Feel free to assume what you like and throw some theories around the place.

Answer 1

I suppose if you consider a timeline going into the past and into the future and assumed that the line going into the past is infinitely long, then then the line going into the future could come to an end without violating the statement that the universe is infinitely old. So, no.

Peace

Answer 2

This is like the question: If a line is infinitely long, does that mean it has no end? The answer is no, a line that is infinite does not necessarily imply that it has no end. As a simple counterexample, I can have a line beginning at the origin of a plot (0,0), and go straight out to infinity. The line is infinitely long, but it has a beginning. Likewise, a line can be infinitely long, but have an ending.

However, if the universe is "infinitely old", the odds that the end is anywhere measurably near approaches zero, as per probability calculation.

Answer 3

I don't think so. There is an infinite progression of positive real numbers, but that doesn't imply that the series doesn't have a start.

What can be argued is that it is almost infinitely improbable that the universe will end within our lifetimes - if it is equally probable that we exist at any time during the lifetime of the universe, then the probability of us being alive during the lifetime of the universe would be:
(your life span)/(life span of the universe)
and anything divided by infinity is pretty damn small.

However, a similar (but more complicated) probability argument claims that we are probably one of the last humans that will ever live.
Lets say there have been 50 billion humans since the dawn of time. And that there are 5 billion alive now. Now, lets assume humanity will carry on for a long time into the future, lets say that in the entire future and past there are 5 billion billion humans. What are the odds of you being alive now?
5 billion/ 5billion billion - or one in a billion. Pretty long odds.
Now lets assume humanity is about to become extinct, ie that there will only ever be 50 billion people? What are the odds of us being alive now 5 billion/50 billion, or 1 in 10... which scenario seems more likely?

The actual maths is bit more complicated, but it states that "There is a 95% chance of extinction within 9120 years."

http://essexmoonlight.blogspot.com/2006/06/posing-100-year-question-mathematical.html#links has a bit more info.

Answer 4

That depends on who you ask I guess. Theologists believe the universe always was and always will be, evolutionists believe the universe was created upteen billion years ago with the big bang. There's been speculation on how it began, but not much on where it's going, other than it's expanding at an ever increasing rate. I just belive that there are things in place that we weren't meant to comprehend. I think it's conceited of humans to pretend to know how that stuff works.

Answer 5

universe maens that if there is either enrgy or the mass existance then it is called universe so the definayion itself implys that there will be the existance of universe forever if the fundamental laws of physics-law of cinservation of energy,law of conservation of mass,etc....

Answer 6

well, God made the universe, it had a beginning and it will have an end. the hard thing to comprehend is that God had no beginning and has no end.

Answer 7

not really..I think it jsut means that nobody is certain how lnog it's been around..but everything comes to an end sumtime or another...right?