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- In one of possible scenarios for the ultimate fate of the Universe known as the Big Crunch, the Universe will eventually stop expanding and start collapsing in on itself.
- In 2011, for the first time ever, astronomers found astronomical objects without heavy elements when they discovered pristine clouds of primordial gas.
- According to the theory, the expansion of the Universe is still accelerating due to dark energy, an unknown form of energy that is believed to make up about 72% of the Universe.
- Next to the cosmic microwave background, there are 3 other proofs of the validity of the theory - expansion of the Universe according to Hubble's law, relative abundances of light elements, and distribution of large-scale cosmic structures.
May 6, 2024 · In 1927, an astronomer named Georges Lemaître had a big idea. He said that a very long time ago, the universe started as just a single point. He said the universe stretched and expanded to get as big as it is now, and that it could keep on stretching. What an Idea! The universe is a very big place, and it’s been around for a very long time.
May 11, 2024 · The universe emerged instantaneously some 13.7 billion years ago in a unique kind of explosion known as the Big Bang. Two features of that creation are mysteries for science. The first is that speed of the explosion, which was an acceleration from nothing and greater than the laws of physics allow. What occurred in the first mini-fraction of ...
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May 1, 2024 · Key Takeaways. Our Universe arose in the aftermath of cosmic inflation, triggering the hot Big Bang some 13.8 billion years ago that eventually gave rise to us. The Universe passed through many ...
- Ethan Siegel
6 days ago · The Big Bang Theory’s series finale aired on May 16, 2019. The beloved sitcom came to an end after 12 seasons, leaving fans with a mixture of emotions and a lasting impact on the world of television. In conclusion, The Big Bang Theory, with its 12 captivating seasons, remarkable characters, and blend of comedy and science, has left an ...
5 days ago · The universe was a very different place several hundred million years after the big bang during a period known as the Era of Reionization. Gas between stars and galaxies was largely opaque. Gas throughout the universe only became fully transparent around 1 billion years after the big bang.
6 days ago · Episodes. Explore. Premiered May 22, 2024 AT 6PM on PBS. How big is the universe? If it began with the Big Bang, will it also have an end? Is there life beyond our planet? Questions like these ...
