Extreme futuring
It would be a reliably accurate prediction that Zager & Evans’ “In the year 2525” will not be at the top of most futurist’s best song ever written list
Looking 500 years & more ahead is unusual for your common or garden futurist. Most at the moment are only looking out to the year 2030 or 2050.
However, earlier this year “From Quarks to Quasars” created an infographic looking at a possible future of the Universe and parts there in. Its big, as you’d expect so here are just a few snippets. See the whole timeline in greater detail at their website.
They start out 36,000 years from now

http://www.fromquarkstoquasars.com/the-future-of-the-universe/
Move quickly past 1 million years

Beyond 1 billion too

1 trillion (really?!)

Till a bitter dark wimpering end maybe 100 trillion years into the future

That’s more than enough cosmic physics to make most futurists humble.