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Recent Posts
- Real color photos from the 1910s and 1920s. These are not colorized.
- “The Grab” by Italian street artists Cosimo “Cheone” Caiffa and Mor Pavone in Nerviano, near Milan, Italy
- Madagascar, East Africa 🌍
- This guy got people from around the world to teach him their favourite dance moves. Credit: Ed People
- @fravery.bsky.social | Splashes of Gold. Thierry Lechanteur
- Massimo (mirror) (@rainmaker1973-m.bsky.social) | The pink pigeon from Mauritius bounced back from near extinction through careful conservation.
- RedSamurai (@redsamurai.bsky.social) | Floating World🇯🇵 Deer in Kasuga (春日の鹿) Artist: 🇯🇵Hiroshi Yoshida Date: 1928
- USA (@usamailbox.bsky.social) | by Mos art. #Lille, #France
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Category Archives: Astrophysics
These Move Faster than the Speed of Light
How is it possible for galaxies and objects in space to move away from us faster than the speed of light? Will we ever see those objects? […]
How Stars Freeze
[…] When you think of a frozen object in space, you might think of Pluto, but stars themselves actually freeze. Hosted By: Hank Green […]
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
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… […]
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… […]
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
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
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
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
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
