Cosmology & Astrophysics Videos Hacker News Recommends — Page 2

course#2330

The Maths of General Relativity (1/8) - Spacetime and Worldlines

ScienceClic English

“it covers it with incredible visualizations and pedagogical approach”

3 HN recommenders · 2021–2023

lecture#2393

Terence Tao: The Cosmic Distance Ladder, UCLA

UCLA

“Tao’s oft given talk about the cosmic distance ladder has always been my favorite thing he has done.”

2 HN recommenders · 2022–2025

explainer#2502

Fermi Paradox: The Dyson Dilemma v2.0

Isaac Arthur

“He describes the Fermi Paradox and related concepts 100x better than anyone else.”

2 HN recommenders · 2019–2021

explainer#2609

The Absurdity of Detecting Gravitational Waves

Veritasium

“Here is a great video with explanations”

3 HN recommenders · 2017–2019

lecture#2614

Why is Time a One-Way Street?

Santa Fe Institute

“Highly recommend the talk.”

2 HN recommenders · 2014–2022

explainer#2634

The Hubble Ultra Deep Field in 3D

Deep Astronomy

“This [0] IMHO gives more perspective”

2 HN recommenders · 2012–2022

interview#2642

Avi Loeb: Aliens, Black Holes, and the Mystery of the Oumuamua | Lex Fridman Podcast #154

Lex Fridman

“There's a good interview with Avi Loeb on the Lex Fridman podcast about this very topic.”

2 HN recommenders · 2021–2023

explainer#2657

The Fermi Paradox — Where Are All The Aliens? (1/2)

Kurzgesagt – In a Nutshell

“I find the pair of videos by Kurzgesagt on YouTube to be much more appealing for me.”

2 HN recommenders · 2017–2020

explainer#2741

The Geometry of Causality

PBS Space Time

2 HN recommenders · 2017–2022

explainer#2780

Dark Matter: The Situation has Changed

Sabine Hossenfelder

“Here’s Sabine Hossenfelder’s curious-undergraduate-level history of Dark Matter theories”

2 HN recommenders · 2021–2023

explainer#2845

I Think Faster Than Light Travel is Possible. Here's Why.

Sabine Hossenfelder

“She does seem to have a pretty compelling argument that the speed of light may not be the maximum speed.”

2 HN recommenders · 2023

explainer#2850

The Black Hole Information Paradox

PBS Space Time

“There's a great PBS Space Time youtube video on this concept”

2 HN recommenders · 2018–2021

explainer#2855

Tiny meteorites are everywhere. Here’s how to find them.

Verge Science

“Here's a good video running through one way to do this at home”

3 HN recommenders · 2019–2024

interview#2860

Sir Roger Penrose & William Lane Craig • The Universe: How did it get here & why are we part of it?

Premier Unbelievable?

“this video might serve as a quick introduction to Penrose's three world idea for those interested.”

2 HN recommenders · 2020–2025

explainer#2954

Why Quantum Information is Never Destroyed

PBS Space Time

“I have to recommend the relevant PBS Space Time on the subject”

2 HN recommenders · 2019–2021

explainer#2956

Superluminal Time Travel + Time Warp Challenge Answer

PBS Space Time

“One video with no maths required.”

2 HN recommenders · 2018–2022

explainer#3070

What Happens After the Universe Ends?

PBS Space Time

“It's explained in this PBS Space Time episode much better”

2 HN recommenders · 2020–2023

interview#3078

The Case for String Theory - Sixty Symbols

Sixty Symbols

“a professor explains why he at least believes there is something to it”

2 HN recommenders · 2017–2022

explainer#3214

Black Hole Star – The Star That Shouldn't Exist

Kurzgesagt – In a Nutshell

“Just in case you somehow don’t know what a Black Hole Star is, check out Kurzgesagt’s video about them”

2 HN recommenders · 2022–2025

explainer#3221

We all move at the Speed of Light

ScienceClic English

“I know a lot of people find this video helpful in conceptualizing things.”

2 HN recommenders · 2020–2024

explainer#3350

Humanity was born way ahead of its time. The reason is grabby aliens.

Rational Animations

“This 12 minute video does a good job of explaining the fairly non intuitive reasoning”

2 HN recommenders · 2021–2022

explainer#3443

The Unreasonable Efficiency of Black Holes

minutephysics

“For readers who want some quick info”

2 HN recommenders · 2020–2025

explainer#3464

The Black Hole Bomb and Black Hole Civilizations

Kurzgesagt – In a Nutshell

“I also watched this in the past, which has some fun ideas”

2 HN recommenders · 2018–2021

explainer#3468

TRUE Limits Of Humanity – The Final Border We Will Never Cross

Kurzgesagt – In a Nutshell

“See this excellent video for more detail”

3 HN recommenders · 2021–2024

explainer#3558

What would we see if we fell into a Black Hole?

ScienceClic English

“see this great YouTube video of what you would see if you fell into a Black Hole.”

1 HN recommenders · 2022–2025

talk#3581

Something Deeply Hidden | Sean Carroll | Talks at Google

Talks at Google

“I'd recommend watching this talk by Sean Carroll”

1 HN recommenders · 2020–2023

explainer#3599

Did Time Start at the Big Bang?

PBS Space Time

1 HN recommenders · 2020–2024

explainer#3634

Does Time Cause Gravity?

PBS Space Time

“Here's a really good explanation of what's actually going on when gravity influences an object.”

1 HN recommenders · 2021–2023

talk#3725

von Neumann probes, Dyson spheres, exploratory engineering and the Fermi paradox

Future of Humanity Institute

“I highly recommend this video”

1 HN recommenders · 2014–2026

explainer#3794

Are Black Holes Actually Fuzzballs?

PBS Space Time

“PBS space time goes into a few of them”

1 HN recommenders · 2022–2023

explainer#3798

How to Detect Extra Dimensions

PBS Space Time

“Youtube video that explains this in depth”

3 HN recommenders · 2018–2020

explainer#3808

What If Alien Life Were Silicon-Based?

PBS Space Time

“PBS Space Time has a very good & informative episode covering this.”

1 HN recommenders · 2023–2025

explainer#3819

These are the asteroids to worry about

Veritasium

“Veritasium video with Dave Jewitt of UCLA explains a lot about what were doing about asteroids.”

1 HN recommenders · 2021–2023

explainer#3854

This Black Hole Could be Bigger Than The Universe

Kurzgesagt – In a Nutshell

“You might enjoy this if you haven't already seen it”

1 HN recommenders · 2024

explainer#3991

Matrioshka Brains: Star-Powered Computers

Isaac Arthur

“Here's a video by the excellent Isaac Arthur”

1 HN recommenders · 2017–2023

explainer#4037

Dyson Spheres

Isaac Arthur

“Isaac Arthur's youtube channel goes into this in some depth (and is generally excellent, IMO).”

1 HN recommenders · 2017–2022

explainer#4054

Ancient Life as Old as the Universe

Kurzgesagt – In a Nutshell

“There is an excellent recent video on topic from Kurzgesagt”

1 HN recommenders · 2023–2024

explainer#4072

Are There Lost Alien Civilizations in Our Past?

Kurzgesagt – In a Nutshell

“I enjoyed Kurzgesagt's video [0] about our ability to sense ancient aliens.”

1 HN recommenders · 2023–2024

interview#4310

The Pope's Astronomer - Sixty Symbols

Sixty Symbols

“Books by (Brother) Guy Consolmagno, the Director of the Vatican Observatory, are also worth checking out”

1 HN recommenders · 2020–2025

explainer#4495

JWST just made the "Crisis in Cosmology" WORSE

Dr. Becky

“she introduces laymen to the problems well”

2 HN recommenders · 2022–2024

explainer#4528

Could The Universe Be Inside A Black Hole?

PBS Space Time

“was a huge relief and interesting dive into the q”

1 HN recommenders · 2022–2023

demo#4545

New Supercomputer Simulation Sheds Light on Moon’s Origin

NASA's Ames Research Center

“the simulation released last year of the hypothesized Earth-Theia moon formation is really cool”

2 HN recommenders · 2023–2024

music#4605

Peter Mulvey Performs Vlad the Astrophysicist

Peter Mulvey

“There's a song by one of my favorite artists, Peter Mulvey, which touches on this point.”

1 HN recommenders · 2021

explainer#4648

Laniakea: Our home supercluster

nature video

“There's also a short video on this”

1 HN recommenders · 2022–2023

explainer#4699

How to Win an Interstellar War

Kurzgesagt – In a Nutshell

1 HN recommenders · 2023–2025

explainer#4732

What if Humans Are NOT Earth's First Civilization? | Silurian Hypothesis

PBS Space Time

“This youtube video addresses the situation pretty well”

1 HN recommenders · 2023–2024

documentary#4787

To Scale: THE SOLAR SYSTEM

To Scale:

“a mini-documentary where people attempt to build a true-to-scale model of the Solar System”

1 HN recommenders · 2015–2025