Scientific Mysteries With No Answers (Yet)

What Will Eventually Happen To The Universe?

Physicists have pieced together our entire cosmic history, from the Big Bang to the present day, in an amazingly spectacular manner. That leads to a question that humanity has pondered for ages: what will be our final destiny? What will the end of the universe be like? We're nearer than ever to find out. There's a race between two things, the initial expansion of the universe and the universe's total gravitational pull, according to astrophysicists. The Big Bang is the starting pistol, and once it goes off — as the astrophysicists predicted — there are three possibilities.
  1. Once the expansion starts fast, gravitation successfully overcomes it. Recollapse occurs as the universe reaches a maximum size and then recollapses, resulting in a Big Crunch.
  2. The universe begins expanding quickly, but there is not enough matter and energy to slow it down. The expansion continues forever, resulting in a Big Freeze.
  3. The case of Goldilocks is the critical one, where the expansion asymptotes to zero but never reverses, and where one more proton in the universe would lead to recollapse but there isn't one.
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