**How Edwin Hubble Expanded the Universe 100 Years Ago** Black Parrot (Slashdot reader #19,622) pointed out a historic anniversary this week: On October 6, 1923, Edwin Hubble got a photo of Andromeda that showed that it contained a variable star, and therefore was an actual galaxy, ending the Great Debate over whether the universe consisted of anything beyond our own galaxy. Unless you're more than 100 years old you grew ... ⌘ Read more

@news (#s7yo6ta) Congrats 🙂 Can we add a recognisable hashtag e.g. #covid to link all posts of a topic to a conversation?

**Marenostrum 5 starts up, combining #8 and #19 of top supercomputers worldwide** Article URL: https://www.bsc.es/news/bsc-news/european-supercomputer-marenostrum-5-starts-bsc Comments URL: https://news.ycombinator.com/item?id=38721582 Points: 1 \# Comments: 0 ⌘ Read more