Neil deGrasse Tyson, a celebrated astrophysicist, and Chuck Nice, a witty comedian, discuss the tantalizing concept of Planet X. They break down the complexities of the three-body problem in celestial mechanics, pointing out its unsolvable nature. The conversation touches on the universe's potential endings, including the chilling theory of 'heat death.' Amidst the scientific analysis, they also explore humanity's responsibility toward Earth, blending deep insights with humor and curiosity for the cosmos.
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Quick takeaways
The podcast discusses the historical search for Planet X, highlighting how its concept emerged from anomalies in planetary orbits.
It also explores various theories about the universe's ultimate fate, such as the Big Freeze, Big Rip, and Big Crunch.
Deep dives
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Historical Context of Planet X
The concept of Planet X emerged historically when astronomers sought to explain anomalies in the orbits of known planets, particularly Neptune. The quest began after the accidental discovery of Uranus, leading scientists to hypothesize that another unseen planet was influencing the observed gravitational discrepancies. Significant figures in this pursuit included William Lowell, who founded an observatory dedicated to searching for Planet X, eventually resulting in the discovery of Pluto. Over time, Pluto's classification changed, illustrating the evolving understanding of celestial bodies and the nature of our solar system.
Cosmic Scenarios for the Universe's Fate
Various theories exist regarding the ultimate fate of the universe, including potential endings such as the Big Freeze, Big Rip, and Big Crunch. The Big Freeze suggests that as the universe continues to expand and cool, stars will eventually burn out, leaving a dark and cold cosmos devoid of life. The Big Rip theorizes a scenario in which the universe’s expansion accelerates to the point that it tears apart galaxies, stars, and even the fundamental components of matter. Lastly, the Big Crunch posits a possible reversal of expansion, where gravitational forces could pull the universe back to a single point, possibly leading to another Big Bang.
What is the three body problem? How will the universe end? Neil deGrasse Tyson and comedian Chuck Nice break down the case of Planet X, why the three body problem is unsolvable, and prevailing theories on how the universe will come to an end.
NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free.
Thanks to our Patrons Micheal Brown, Naburos, Teresa Fiorenza, Afshin Odabaee, Liz Freedman, Grace Sakoda, Dean Klunk, Alex Deters, Craig Maier, and Jack Cater for supporting us this week.
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