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re: Do you think space is infinite?
Posted on 4/4/15 at 12:38 pm to Stacked
Posted on 4/4/15 at 12:38 pm to Stacked
All available data shows that the universe is expanding at an ever accelerating rate. Therefore, space can be thought of as infinite because unless someone can engineer entropy reversal, it will expand without bound until heat death.
This post was edited on 4/4/15 at 12:39 pm
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Posted on 4/5/15 at 1:06 pm to Ross
quote:
All available data shows that the universe is expanding at an ever accelerating rate.
About 5 billion years ago, Dark Energy won its battle with Gravity. The latter had been holding matter at a slower expansion rate while DE was pushing things apart.
When DE won, acceleration at an increasing rate began. However, we don't know anything at all about DE except that it has a repulsive effect, the opposite of Gravity.
We are assuming that DE is a force when we say that it will push matter apart forever. Equally, we don't know anything at all about Gravity except that it has an attractive effect. We assume that it is a force as well.
We can't say with reliability what the ultimate effects of DE and Gravity will be upon the Universe.
quote:
Therefore, space can be thought of as infinite because unless someone can engineer entropy reversal, it will expand without bound until heat death.
Complete entropy does not equate with infinity.
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