Here's another thing I love to think about.. we enjoy an amazing view of the stars and universe, it's possible it even contributed to our desire to explore and discover.
In the future there will come a time when the universe is expanding fast enough that the light from other galaxies will never reach us.. so something like the hubble ultra deep field would never be possible.
Imagine being in a time when you look out of the universe and all you see is this lonely little island of stars, no way of knowing there's anything beyond it, no cosmic background radiation, no other galaxies to measure anything by... how different will a society that develops in that turn out?
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Uncertainty is an uncomfortable position.
But certainty is an absurd one.
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