2007-01-16 01:57:11 · 13 answers · asked by Ritch 3 in Science & Mathematics ➔ Astronomy & Space
Depends on when you consider the universe "dead".
Based on the current inflationary model of the universe:
(1) Galaxy and star formation ceases at 10^14 years
(2) At 10^15 Years, planets are flung from orbits:
(3) At 10^16 Years, stars are flung from thier orbits
(4) At 10^40 years, all protons have decayed
(5) At 10^150 years, all black holes have disintegrated due to Hawking radiation and all that's left in the universe is a sea of photons of very little energy. It is dark, and cold, and empty, and lonely.
2007-01-16 02:14:27 · answer #1 · answered by Scott 2 · 2⤊ 2⤋
10, 9, 8, 7, 6...... ;-)
Really though, it should go on forever and ever just as it was created an eternity ago. Yes, there are the arguments and statements over how the universe is however many trillion years old, but remember how it's impossible to track the universe down to time zero. This could mean that time isn't linear and may approach an asymptotic boundary (as we approach its beginning and end, time proceeds faster and faster).
Just as much, we don't know what it would take to exactly end the existence of the universe. Even if the universe collapsed down to a point of singularity and exploded again, that doesn't mean it ceased to exist since it could just be changing phases. Also, blackholes are suspected of slowing down time infinitely as they are approached. This means if any part of the universe would have to go on for an eternity, then the universe would exist forever.
2007-01-16 02:04:38 · answer #2 · answered by Mikey C 5 · 1⤊ 0⤋
Depends on what you believe, myself I believe that the universe is expanding but it is slowing down from 13 billion years ago when it was formed from the big bang.
So, if that is true, then if it were to come back in on itself, like a piece of elastic then it would be another 13 billion years at least.
2007-01-16 02:06:34 · answer #3 · answered by Anonymous · 0⤊ 0⤋
Longevity of universe is about 80-100 billion years, so I`ve heard.
2007-01-16 08:55:42 · answer #4 · answered by CLIVE C 3 · 0⤊ 0⤋
1 Billion Google years
2007-01-16 02:04:49 · answer #5 · answered by Kiran 3 · 0⤊ 0⤋
Eternity. Time is intrinsically linked with the universe, so if you think about it how can you begin or end time when time is needed to begin or end anything. Since beginning or ending the universe would ultimately require beginning or ending time, the only logical conclusion is that the universe never began and will never end. for further details like this see my web page: http://ca.geocities.com/pheonixeaglescorpion/
2007-01-16 02:26:14 · answer #6 · answered by superpsychicman 2 · 0⤊ 1⤋
Read "The Life and Death of Planet Earth" by Peter D. Ward and Donald Brownlee. They have some good theories.
2007-01-16 02:03:24 · answer #7 · answered by Gen•X•er (I love zombies!) 6 · 1⤊ 1⤋
The life expectancy of our universe is the length of time that we live.
Veni, vidi, vici
-Marlboro
2007-01-16 02:08:07 · answer #8 · answered by mipsaction 1 · 1⤊ 0⤋
It's impossible to know at this point in time. We simply don't know that much information about our universe yet.
2007-01-16 12:19:30 · answer #9 · answered by manc1999 3 · 0⤊ 0⤋
Not long if good old George "Dubya" Bush keeps his finger on the red button. How has he stayed as President for so long, do Americans think that he is doing them a favour?
2007-01-16 02:05:28 · answer #10 · answered by nooka 4 · 0⤊ 2⤋