Time and infinity
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13-08-2015, 01:26 PM
Time and infinity
I'm trying to find out if time can be past infinite. I've got Hawking saying "no" here:
http://www.hawking.org.uk/the-beginning-of-time.html

But Richard Carrier (not a physicist) claims Hawking somewhere says "maybe", but doesn't quote where he's getting that from here:
http://www.godcontention.org/atheist/cou...e-infinite

So is modern thought that time can or can't be infinite? Blink
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13-08-2015, 01:39 PM
RE: Time and infinity
(13-08-2015 01:26 PM)OddGamer Wrote:  I'm trying to find out if time can be past infinite. I've got Hawking saying "no" here:
http://www.hawking.org.uk/the-beginning-of-time.html

But Richard Carrier (not a physicist) claims Hawking somewhere says "maybe", but doesn't quote where he's getting that from here:
http://www.godcontention.org/atheist/cou...e-infinite

So is modern thought that time can or can't be infinite? Blink

We haven't figured out exactly what time is so I doubt there is any kind of reliable answer to your query.
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13-08-2015, 09:09 PM
RE: Time and infinity
My understanding is that time started when the universe started. You would have to know when the universe ends/ended/will end to answer that question. My suspicion is that it is less than infinity. But this gets into the Astrophysicist's territory, which is rife with guesses and vehement arguments, just like between Paul and John, but with equations that can't be proved, instead of made up shit which can't be proved. YMMV.

...and, yeah, what Heywood said.
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13-08-2015, 09:22 PM
RE: Time and infinity
(13-08-2015 01:26 PM)OddGamer Wrote:  I'm trying to find out if time can be past infinite. I've got Hawking saying "no" here:
http://www.hawking.org.uk/the-beginning-of-time.html

But Richard Carrier (not a physicist) claims Hawking somewhere says "maybe", but doesn't quote where he's getting that from here:
http://www.godcontention.org/atheist/cou...e-infinite

So is modern thought that time can or can't be infinite? Blink

Time is merely a construct we've thrown into the abyss of infinity.

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13-08-2015, 09:46 PM
RE: Time and infinity
(13-08-2015 01:26 PM)OddGamer Wrote:  I'm trying to find out if time can be past infinite. I've got Hawking saying "no" here:
http://www.hawking.org.uk/the-beginning-of-time.html

But Richard Carrier (not a physicist) claims Hawking somewhere says "maybe", but doesn't quote where he's getting that from here:
http://www.godcontention.org/atheist/cou...e-infinite

So is modern thought that time can or can't be infinite? Blink

There is no reason why it can't be, although it might be an infinite number of timelines, each starting at a Big Bang. But that's pure speculation.

Skepticism is not a position; it is an approach to claims.
Science is not a subject, but a method.
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13-08-2015, 09:54 PM
RE: Time and infinity
(13-08-2015 09:09 PM)Fireball Wrote:  My understanding is that time started when the universe started.
What is meant by "when the universe started"?

Scientists know that there was a big bang event, which started the current expansion of our universe but whose to say that event denotes the start of our universe?

Did time exist prior to the big bang event? I don't think scientists know the answer to that.

Time is relative though. In the presence of stronger gravity then time slows down. I guess this is no different to time slowing down under high acceleration (gravity being equivalent to acceleration). Time is slower near the event horizon of a black hole than it is on the surface of the Earth.

What would time be like in an environment devoid of mass/energy, devoid of gravity, devoid of relative motion, devoid of acceleration? How would you even know that time has passed by?
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