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Ay 1 Lecture - May 27, 2026

These are the video recordings for Professor Djorgovski's Ay1 course for the spring quarter of 2026. This is an Introductory Astronomy course offered for Caltech undergraduate students.

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Ay 1 Lecture - June 3, 2026
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Ay 1 Lecture - June 3, 2026

The most beautiful formula not enough people understand
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The most beautiful formula not enough people understand

URGENT: James Webb Found a DEAD Version of Earth — And It's VERY Disturbing
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URGENT: James Webb Found a DEAD Version of Earth — And It's VERY Disturbing

Ay 1 Lecture - May 13, 2026
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Ay 1 Lecture - May 13, 2026

Sarah Paine - Why Putin and Xi can't escape geography
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Sarah Paine - Why Putin and Xi can't escape geography

Roger Penrose and Brian Cox discuss 'remarkable new evidence' about the origins of the universe
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Roger Penrose and Brian Cox discuss 'remarkable new evidence' about the origins of the universe

The Insane Genius of a Formula 1 Gearbox
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The Insane Genius of a Formula 1 Gearbox

The Pattern Nobody Can Prove (But Everyone Believes)
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The Pattern Nobody Can Prove (But Everyone Believes)

The Hardest Questions in Physics | World Science Festival
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The Hardest Questions in Physics | World Science Festival

Scott Aaronson - The TRUTH About Quantum Computing
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Scott Aaronson - The TRUTH About Quantum Computing

Reinventing Entropy | Compression is Intelligence Part 1
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Reinventing Entropy | Compression is Intelligence Part 1

Ukraine's drone war is isolating Crimea
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Ukraine's drone war is isolating Crimea

The Riemann Hypothesis, Explained
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The Riemann Hypothesis, Explained

Brian Cox breaks down the most mysterious scale in the cosmos
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Brian Cox breaks down the most mysterious scale in the cosmos

Ay 1 Lecture - May 11, 2026
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Ay 1 Lecture - May 11, 2026

When Physics Fails: The Problem of Space-Time
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When Physics Fails: The Problem of Space-Time

Physicist explains the nature of time: It's a mind-blowing mystery | Don Lincoln and Lex Fridman
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Physicist explains the nature of time: It's a mind-blowing mystery | Don Lincoln and Lex Fridman

What Is Quantum Mechanics Really Telling Us? | World Science Festival
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What Is Quantum Mechanics Really Telling Us? | World Science Festival

Math Encounters - Primes and Zeros: A Million-Dollar Mystery
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Math Encounters - Primes and Zeros: A Million-Dollar Mystery

We Might Be Wrong About Black Holes
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We Might Be Wrong About Black Holes

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