Michelle Thaller

Date: 2026-05-28 | Duration: 2h 37m

Episode Overview

Joe Rogan welcomes astrophysicist Michelle Thaller, a prominent science communicator from NASA, for a wide-ranging discussion on the wonders of space and the implications of scientific discovery. Thaller immediately engages by clarifying astronomical scales, using relatable analogies like comparing the sun to a dot on a page to illustrate the immense size of the Milky Way. The conversation quickly shifts to the profound visual impact of the night sky, lamenting how light pollution diminishes humanity's connection to the cosmos, and emphasizing that "we are star-dust," intimately linked to the universe's grand narrative. Thaller shares captivating insights from recent missions, including the puzzling "little red dots" (early galaxies) observed by the James Webb Space Telescope and the Cassini mission's discovery of Saturn's hexagonal storm and the potential for life on Titan, a moon with liquid natural gas lakes. The discussion highlights humanity's audacious ventures, like the Soviet Union's Venus landings, and the constant search for exoplanets, which now number over 5,000. Thaller explains the power of spectroscopy in detecting atmospheric chemistry of distant worlds, even hinting at the controversial discovery of organic molecules that could be precursors to life. The conversation delves into the mind-bending concepts of relativity and quantum mechanics. Thaller explains how time dilation is a measurable reality, evident in GPS satellites, and discusses Einstein's idea that all time might exist simultaneously. She then tackles quantum entanglement, illustrating how particles can be instantaneously connected regardless of distance, a phenomenon that challenges our understanding of reality and might inspire future interstellar travel in science fiction. Finally, Joe and Michelle explore the future of AI, humanity's potential evolution beyond biological limitations, and the philosophical implications of a unified consciousness, concluding with an optimistic perspective on confronting the unknown with gratitude.

About Michelle Thaller

Michelle Thaller is an astrophysicist and prominent science communicator for NASA known for making complex cosmic concepts accessible to the general public. She specializes in explaining astronomical phenomena through relatable analogies and has contributed insights on major space missions including the James Webb Space Telescope and Cassini, bringing cutting-edge discoveries about exoplanets, Saturn's moons, and the earliest galaxies to broader audiences. Thaller excels at connecting scientific findings to fundamental questions about humanity's place in the universe and our potential for understanding the cosmos.

Key Moments

00:00:29 – Michelle Thaller's NASA background and public outreach
00:02:01 – Visualizing the immense scale of galaxies and stars
00:04:19 – Impact of light pollution on human connection to cosmos
00:05:33 – The concept of humans being made of 'star-dust'
00:07:24 – Astronomical naming conventions and strange celestial phenomena
00:10:25 – Dragonfly mission to Titan and Soviet Venus landers
00:13:16 – Discovery and spectroscopic analysis of exoplanet atmospheres
00:18:30 – Historical discovery of Helium on the Sun
00:19:46 – Einstein's Theory of Relativity: Time dilation and GPS accuracy
00:24:05 – Einstein's concept of all time existing simultaneously
00:30:46 – Quantum entanglement: experimental facts and implications
00:34:38 – Advanced civilizations and entanglement for interstellar travel
00:40:14 – Artificial Intelligence as humanity's next evolutionary path
00:45:12 – AI's potential for universal telepathy and collective consciousness
00:52:28 – Youth anxiety over AI's impact on future jobs and societal meaning
01:04:20 – Event Horizon Telescope captures a black hole's shadow
01:07:00 – Nicer mission: studying neutron stars and bending space-time
01:13:13 – Unknown physics governing neutron star interiors
01:15:59 – Unanswered questions about supermassive black hole formation
01:21:07 – Black holes as potential gateways to other universes
01:27:02 – The Big Bang, early opaque universe, and gravitational wave detection
01:34:10 – LIGO's detection of black hole collision and gravitational waves
01:35:17 – Detecting gravitational waves from the Big Bang
01:36:27 – Understanding the universe's expansion without a center
01:38:38 – Questions about the environment before the Big Bang
01:40:51 – Origin of the term 'Big Bang' by Fred Hoyle
01:43:29 – Distinguishing observable universe from the whole universe
01:45:54 – Discovery of the cosmic microwave background radiation
01:50:18 – Profound implications of the CMB signal and sound waves
01:51:26 – Limitations of current Big Bang singularity models
01:53:51 – The importance of scientific humility and acknowledging unknowns
01:56:04 – Science's deliberate limitation to measurable and reproducible
01:57:34 – Approach to individual profound experiences like time travel
02:00:37 – Scientists' belief in extraterrestrial life despite lack of proof
02:04:50 – How human senses limit our perception of reality
02:06:09 – Curiosity about psychedelics altering brain filters
02:08:03 – Discussion on DMT being endogenously produced by the body
02:11:07 – Psychedelics as potential treatment for grief and end-of-life anxiety
02:13:56 – Overcoming propaganda against psychedelics for therapeutic use
02:16:22 – Psilocybin causing a quiet brain state despite enhanced perception
02:19:59 – Interferometry and the bizarre reality of quantum light particles
02:22:07 – Quantum computing suggesting multiple universes for faster computation
02:24:47 – The universe is not as our limited human minds perceive it
02:27:26 – Hope for compassionate AI instead of destructive AI
02:30:16 – Osiris-Rex mission to asteroid Benu
02:32:39 – Discovery of DNA nucleobases and water on asteroid Benu
02:34:15 – The universe's efficiency in making large organic molecules
02:35:44 – The power of teamwork and diverse input in NASA missions

Transcript Excerpt

[00:00:01] Joe Rogan podcast, checking out. The Joe Rogan Experience. Train by day, Joe Rogan podcast by night, all day. Absolutely. It's also, there's some things that are so awesome. It's like, that's fucking awesome. I was trying to talk about black holes to some high school students just seriously earlier this week. And I kept saying, you know, what the f I? [00:00:29] So I got nothing to pitch, but I, the Shorewood Men's Club. I was giving a talk there, the Shorewood Wisconsin. is where I live. The men's club invited me to give a talk about astronomy last week. And when I mentioned I was coming to the show, they just freaked out. And so the only thing I have is my Shorewood Men's Club water. Well, shout out to the Shorewood Men's Club. That's awesome. That's so cool that you give those speeches. I love your YouTube talks. They're fantastic. Well, thank you. Wow. I have watched probably everyone you've ever done. I've watched at least, I mean, how have you done? I've watched at least like 10 of them. Yeah, I mean, so, I mean, pretty much what I did, at NASA, I did a lot of sort of the science spokesperson stuff. And so most of that was, you know, I'm more on the NASA videos. I hosted like launch events. [00:01:17] I haven't done much privately on YouTube. I'm thinking about starting some stuff. Oh, you should. Yeah, I'll work on that. Okay. 100%. 100%. You've said so many things that made me just go, what? [00:02:01] So if that's the size of a dot of an eye on text, then the galaxy would be the size of the earth. That's when people's eyes get big and people respond to it. So it's not just the earth. The sun. So if the sun was the dot of an eye. Yes, that's right. Let's make this clear. So if the sun were the size of a dot of an eye on a page of text. [00:02:17] So you could fit a million earth's inside that dot of an eye, then the Milky Way galaxy, then the Milky Way galaxy, then the Milky Way galaxy? Then the Milky Way galaxy would be bigger than the Earth....

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Frequently asked about this episode

Who was the guest on Joe Rogan Experience #2506?

Michelle Thaller was the guest on JRE #2506. This page includes the episode overview, topics discussed, and related resources.

What topics were discussed on JRE #2506?

On Joe Rogan Experience #2506 with Michelle Thaller, topics include Michelle Thaller's NASA background and public outreach, Visualizing the immense scale of galaxies and stars, Impact of light pollution on human connection to cosmos, and The concept of humans being made of 'star-dust'.

Where can I read the transcript for JRE #2506?

The full searchable transcript for Joe Rogan Experience #2506 with Michelle Thaller is available on this page, along with key topics and timestamps.