How the Universe Works - Season 3 Episode 2 -
Season 3, Episode 2 - The End of the Universe
How and when will the Universe end? Gravity and dark matter are poised to annihilate the Universe in a big crunch. Expansion and dark energy may tear it apart. Or, a phase transition could kill us tomorrow in a cosmic death bubble.
Please explain the problem in a few words.
Max 255 characters.
Max 255 characters.