Is the big crunch theory true?

The vast majority of evidence indicates that this theory is not correct. Instead, astronomical observations show that the expansion of the universe is accelerating, rather than being slowed by gravity, suggesting that the universe is far more likely to end in heat death or a Big Rip.

Why would the big crunch happen?

If dark energy became weak enough, gravity might ultimately win the tug of war and pull the universe back in on itself. The result would be the Big Crunch. “The collapse initially would just be very harmless; the density of the universe would increase, but very slowly,” Bojowald said.

What will happen to the universe after the Big Crunch?

The rate of this expansion may eventually tear the Universe apart, forcing it to end in a Big Rip. Alternatively, the Universe could ‘shrink’, decrease or decay, effectively reversing the Big Bang and destroying the Universe in a Big Crunch.

What is the Big Crunch and why does it matter?

The Big Crunch is one of the scenarios predicted by scientists in which the Universe may end. Just like many others, it is based on Einstein’s Theory of General Relativity. That is, if the Big Bang describes how the Universe most possibly began, the Big Crunch describes how it will end as a consequence of that beginning.

What will happen to the universe when it ends?

The Big Rip. The first theory claims the Universe will end with a Big Rip, as the pull of the Universe’s expansion gets stronger than the gravity it contains. This would tear apart galaxies, followed by black holes, stars and even our own planet.

Will the universe end with a big rip?

The Big Rip, if it does happen, will destroy the universe 22 billion years from now. Jeremy Teaford / Vanderbilt. The first theory claims the Universe will end with a Big Rip, as the pull of the Universe’s expansion gets stronger than the gravity it contains.