PBS Space Time Season 2018 Episode 29 How Will the Universe End?

How Will the Universe End? is the 29th episode of the 2018 season of PBS Space Time. In this episode, the host explores the various ways in which our universe could meet its ultimate demise.

Beginning with the idea of the "Big Freeze," the host discusses the eventual cooling and expansion of the universe. As stars run out of fuel and black holes evaporate, the universe will eventually become dark and barren. This is just one of the possible scenarios for the end of the universe.

Next, the show delves into the concept of the "Big Crunch." This scenario involves the eventual collapse of the universe back into a singularity, similar to the state it was in before the Big Bang. The host explains how this could occur and what the implications would be for the future of the universe.

The episode then explores the idea of the "Big Rip." This concept involves the rapid expansion of the universe, causing galaxies and stars to be torn apart. The host discusses what would lead to this rapid expansion and how it would impact the universe.

Moving on to the concept of black holes, the host explains how they play a role in the end of the universe. As they continue to consume matter, they grow larger and more powerful, eventually merging and potentially causing catastrophic events.

The episode also touches on the possibility of a "false vacuum" catastrophe. This scenario involves a change in the state of the vacuum of space, causing the universe to rapidly expand and destroy everything in its path.

Finally, the host explores the concept of the "heat death" of the universe. This scenario involves the universe reaching a state of maximum entropy, where all matter is evenly distributed and there is no more energy left to be expended. This would result in a universe devoid of any activity or life.

Throughout the episode, the host provides scientific explanations and examples to support each theory. He also discusses the implications of each scenario and what it could mean for the future of our universe.

Overall, How Will the Universe End? is a thought-provoking and informative episode that explores the ultimate fate of our universe. With clear explanations and engaging visuals, viewers are sure to gain a deeper understanding of the possibilities for the end of the universe.