Category Archives: Astrophysics

Length Contraction and Time Dilation | Special Relativity Ch. 5

[…] Mark Rober’s youtube channel: https://www.youtube.com/markrober This video is chapter 5 in my series on special relativity, and it covers how things that are moving (that is, moving relative to an inertial reference frame) at different speeds appear to be … Continue reading

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Strange Supernova That Was Started by a Black Hole Eating a Star

[…] Hello and welcome! My name is Anton and in this video, we will talk about a supernova caused by a colliding black hole Press release: https://www.caltech.edu/about/news/a-… https://public.nrao.edu/news/stellar-… Paper: https://www.science.org/doi/10.1126/s… […]

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What Is The Shape of Space? (ft. PhD Comics)

A collaboration with Jorge Cham and Daniel Whiteson, check out “We Have No Idea” at http://www.wehavenoidea.com Jorge’s PhDComics: http://www.phdcomics.com Numberphile video about sports in hyperbolic space: https://www.youtube.com/watch?v=u6Got… […]

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How does Hawking Radiation REALLY work?

[…] Nothing can escape black holes, yet somehow they can lose mass by emitting Hawking radiation?! To understand why, we’ll need to combine quantum field theory with general relativity. 00:00 Cold Open 00:33 Incorrect Explanation 02:22 What is a black … Continue reading

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How Does Gravity Warp the Flow of Time?

[…] There’s a deep connection between gravity and time – gravitational fields seem to slow the pace of time in what we call gravitational time dilation. And today we’ll explore the origin of this effect. And ultimately, we’ll use what … Continue reading

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How Big Is The Universe?

Is the Universe infinite? Or does it somehow fold in on itself? And if so in what shape? Join us today as explore the size of the Universe. Written and presented by Prof David Kipping, with special thanks to cosmologist … Continue reading

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What the NEW black hole discovery tells us!

Astronomers have seen light from BEHIND a black hole for the first time. I explained the discovery and results to my editor, Levi. Congrats to D. Wilkins and the astronomy team! Tap dat Patreon → https://www.patreon.com/physicsgirl Special thank you to … Continue reading

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Contact Was Wrong – Aliens Can’t Hear Us | Answers With Joe

[…] Carl Sagan is an absolute legend and a hero, and his book Contact and the movie it’s based on is phenomenal. HOWEVER… we examined the central conceit of the story – that aliens pick up our radio signals and … Continue reading

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How Do You Trace a Meteorite Back To Its Home?

[…] It’s virtually impossible to tell where a meteorite comes from, but in 2018, scientists were able to pull a feat of forensic astronomy and do just that. Host: Reid Reimers […]

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The Day Dinosaurs Died – 2nd Asteroid Impact Provides More Clues

[…] Hello and welcome! My name is Anton and in this video, we will talk about the most famous extinction event and new discoveries about the impacts that caused the demise of dinosaurs Paper: https://advances.sciencemag.org/conte… […]

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