Yes, but does time expand with the expansion of the universe?
I asked this earlier -
"But this doesn't mean that seconds used to be smaller, does it?" and used the SI definition of seconds. (I asked before the thread was moved here).
The only answers I have so far received are:
Quote:
Originally Posted by Occams Ghost
What is a second but a man-made calculation? Didn't you know we could have Planck Time clocks?
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Quote:
Originally Posted by Occams Ghost
It true that the last few seconds of existence will seem to be longer, something like 20,000 years. This is true.
It's because everything is relative, but a second is still a second.
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Let's look at Planck clocks. Planck units are derived from five fundamental physical
constants. Do these expand with space-time too?