Link: “Twitter thread: ‘Today in my general relativity class I got to talk about my favorite SUPER WEIRD COSMOLOGY FACT…’” by Katie Mack @AstroKatie

Original post found at: https://nitter.net/AstroKatie/status/1516548836709343238

Neat little fun fact here – a galaxy that is much further away than another one, actually appears bigger in our night sky than the closer one, because the universe was much smaller then so the light we’re seeing is coming from a time when that galaxy occupied a proportionally much larger chunk of the universe 🤯

Link goes to the Nitter alternative frontend rather than Twitter itself, because I found the link through Mastodon and the person there linked to Nitter. Sorry if that bothers you!

a cartoony avatar of Jessica Smith is a left-wing feminist who loves animals, books, gaming, and cooking; she’s also very interested in linguistics, history, technology and society.