SYSK TRENDING -The Intriguing Mysteries of the Universe
Something You Should Know
Astrophysicist Neil deGrasse Tyson joins SYSK Trending to unpack the cosmos' most profound mysteries, ranging from the chemical origins of life to the ultimate fate of the universe. He
Key takeaways
- Neil deGrasse Tyson notes that dark matter and dark energy comprise roughly 96% of the universe, leaving all known human civilization operating within just a 4% margin of observable reality.
- The top four chemically active elements in the cosmos (hydrogen, oxygen, carbon, nitrogen) perfectly match the primary atoms in human biology, suggesting life may be an inevitable byproduct of organic chemistry rather than a cosmic fluke.
Main topics
- Origins of life and cosmic chemistry
- Extraterrestrial intelligence and evolutionary biology
Notable quotes
"Our airplanes, our rocket ships, our energy, our civilizations are all living in 4% of the known universe."
Conclusion
The episode leaves listeners with a profound sense of cosmic humility, reframing
Transcript preview
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Use code S-Y-S-K at Monarch.com to get your first year of Monarch Core half off at just $50. That's 50 % off your first year at Monarch.com with code S-Y-S-K. Speaker 2 (1:23) The universe is filled with things we still don't understand. We don't really know what dark matter is. We're not quite sure why the universe is expanding faster and faster. We don't know what happened before the Big Bang, or even if there was a before. And then there's the question of whether we're the only intelligent life out there. These are big questions, and that's why today's SYSK Trending Topic is the intriguing mysteries of the universe. My guest is astrophysicist Neil deGrasse Tyson, and he's going to take us through some of the biggest mysteries and best-kept secrets of the cosmos. What we know, what we think we know, and what continues to completely stub scientists. Because the more we discover about the universe, the more mysterious it seems to become. And we'll get to that conversation with Neil right after this. Speaker 2 (2:24) Have you ever thought about why you're here and how you got here to this point in time in the universe? And where are we all going? These are some big, heady questions that can sometimes be fun to contemplate and even more fun to discuss with someone like Neil deGrasse Tyson. So let's do that. You know, people sometimes say they like my voice. I get that a lot. One of the voices I like to listen to is the voice of Neil deGrasse Tyson. And you can hear his voice in a lot of places. He has a podcast called Star Talk, and he's also on TV a lot. I find that after I listen to him speak, I just feel a little bit smarter. Like I understand the world and the universe a little bit better. See if you don't feel the same way in about 20 minutes when we're done. In addition to all of his other work, Neil deGrasse Tyson is the director of the Hayden Planetarium in New York City. And he has a new book out called Cosmic Queries, StarTalk's guide to who we are, how we got here, and where we're going. Hi, Neil. Thanks for being here. Excellent. Thank you for having me. So, let's just dive right in. How did we get here? Not on this podcast, but I mean in this universe. How did Speaker 1 (3:45) we get here? Why are we here? There are a lot of ways to answer that. There are people who like thinking of the universe as this haven for life and its perfect laws of physics come together to enable life. But first of all, the universe would have gone nearly a billion years before Earth even formed. So if the universe were made for life, such as what we have here on Earth, it has a really delayed way of showing it. All right? And so that's my first comment. Second, the elements in our bodies, the carbon, the nitrogen, the oxygen, the foundations of our biochemistry, that was not available at the beginning of the universe. That had to be made later in the cores of stars. And we see this happening. These are stars that then explode. scattering their enriched guts across the galaxy, out of which you make the next generation of stars with planets, at least one of which has life. But then you make the planet and you have all these ingredients. How do you go from just organic molecules to self-replicating life? That remains a mystery. We've got top people working on it. But one of the things about cosmic queries is we are not choosing questions based on what we have answers to. We're choosing questions based on what people have asked. And it's laid bare. I can tell you where we got the atoms. I can tell you how the atoms function later on. But how we go from molecules to life, that's a mystery. Other mysteries. What was around before the Big Bang? Don't know. We have some ideas, and here they are. But we don't know. Speaker 2 (5:32) Do we have any sense of, you know, cells come from other cells, so where did the first cell come from? You know, chicken or egg? Okay, Speaker 1 (5:40) well, so first the chicken-egg question does have an answer. So I'm trying to rid the world of people analogizing such questions to the chicken and egg. So would you like me to give you that answer? Please. Okay, so the egg came first. From where? By a bird that you would not have called a chicken. Speaker 1 (6:00) Okay, this is what you get by sort of the evolution of species. So there's some bird and it's not a chicken. And then there's some distortion in its offspring from a defect in the DNA. We'll call it a defect because what comes out is not what it started with, right? And it's some new kind of variation. Now, in practice, it would have taken