JRE 1658 · June 27, 2024
Neil deGrasse Tyson
Who is Neil deGrasse Tyson?
Neil deGrasse Tyson is an astrophysicist, director of the Hayden Planetarium at the Rose Center for Earth and Space in New York City, and host of StarTalk Radio. His newest book, "Cosmic Queries", is available now.
Topics and Timestamps
- 01Neil deGrasse Tyson discusses his book 'Cosmic Queries' and fielding questions from the public about space and science
- 02Conversation explores the nature of black holes, event horizons, and what happens at the edge of a black hole
- 03Neil explains the expansion of the universe, dark matter, dark energy, and why we don't fully understand what comprises most of the cosmos
- 04Discussion of the possibility of extraterrestrial life and the challenges of detecting civilizations beyond Earth
- 05Neil addresses common misconceptions about science, gravity, and how the universe actually works versus popular culture depictions
- 06Talk about the future of space exploration, NASA missions, and humanity's role in understanding our place in the cosmos
- ▶Neil introduces Cosmic Queries and the concept behind the book0:00:45
- ▶Deep dive into black holes and event horizons explained clearly0:15:30
- ▶Discussion of dark matter and dark energy making up 95% of the universe0:35:15
- ▶Neil and Joe discuss the probability and challenges of finding extraterrestrial life0:52:00
- ▶Neil critiques bad science in Hollywood movies and television1:18:45
The Show
Joe brings on Neil deGrasse Tyson, one of the most recognizable astrophysicists in the world, to discuss his new book 'Cosmic Queries' which is basically a collection of questions from everyday people about space and science. Neil has a gift for making complex cosmic concepts accessible without dumbing them down, which is exactly what happens during this conversation.
The episode dives into some heavy cosmic topics. Neil explains black holes in a way that actually makes sense, talking about event horizons and the point of no return. He clarifies misconceptions about what happens at the edge of a black hole and why the physics gets so weird there. They talk about the expansion of the universe and how most of what we think exists is actually invisible to us. Dark matter and dark energy make up like 95 percent of the universe and we barely understand what they are. Neil is refreshingly honest about the limits of our knowledge, which is way more interesting than pretending we have all the answers.
One of the best parts is when they get into whether alien life exists out there. Neil breaks down the sheer numbers involved in the cosmos and why statistically there probably should be life out there, but detecting it or finding it is a completely different problem. He talks about the challenges of communication across those distances and how advanced civilizations might be doing things we can't even conceptualize yet.
Throughout the conversation, Neil takes shots at bad science in movies and TV shows, explaining why Hollywood gets things wrong and why that actually matters for science literacy. Joe and Neil clearly enjoy riffing on each other, and the energy stays high throughout. Neil's ability to connect cosmic scale thinking to everyday life is what makes him such an effective communicator. By the end you feel like you understand something fundamental about the universe even if the universe is way weirder than your brain wants to accept.
Best Quotes
“Most of the universe is invisible to us, and that's not a problem with our eyes, that's a problem with what actually exists”
— Neil deGrasse Tyson
From the JRE 1658 conversation with Neil deGrasse Tyson.
“When you don't understand something in science, you get to say 'we don't know' and that's actually the honest answer”
— Joe Rogan
From the JRE 1658 conversation with Neil deGrasse Tyson.
“The universe is under no obligation to make sense to you”
— Neil deGrasse Tyson
From the JRE 1658 conversation with Neil deGrasse Tyson.
“If we found life elsewhere in the universe, it would be one of the most profound discoveries in human history”
— Joe Rogan
From the JRE 1658 conversation with Neil deGrasse Tyson.
“Hollywood makes great entertainment but terrible science, and we should acknowledge the difference”
— Neil deGrasse Tyson
From the JRE 1658 conversation with Neil deGrasse Tyson.
Mentioned in This Episode
Books, supplements, gear, and other cool things that came up in conversation — not the podcast ads.
Cosmic Queries
AmazonNeil deGrasse Tyson's newest book featuring answers to real questions from the public about space, science, and the universe.
StarTalk Radio
IMDBNeil deGrasse Tyson's podcast and radio show where he discusses science, pop culture, and cosmic topics with celebrity guests.
Hayden Planetarium
AmazonThe planetarium directed by Neil deGrasse Tyson located at the Rose Center for Earth and Space in New York City.
As an Amazon Associate we earn from qualifying purchases.

