![Astro Bob: Phantom supernovae blew a 1,000-light-year wide bubble that sparkles with baby stars - Duluth News Tribune | News, weather, and sports from Duluth, Minnesota Astro Bob: Phantom supernovae blew a 1,000-light-year wide bubble that sparkles with baby stars - Duluth News Tribune | News, weather, and sports from Duluth, Minnesota](https://cdn.forumcomm.com/dims4/default/ff37b55/2147483647/strip/true/crop/1080x720+0+11/resize/840x560!/quality/90/?url=https%3A%2F%2Fforum-communications-production-web.s3.us-west-2.amazonaws.com%2Fbrightspot%2Fb8%2Fc0%2F6e2aba4f4cda9eae64733dd9f90b%2Flocal-bubble-leah-hustak-stsci.jpg)
Astro Bob: Phantom supernovae blew a 1,000-light-year wide bubble that sparkles with baby stars - Duluth News Tribune | News, weather, and sports from Duluth, Minnesota
Why is the Milky Way so much wider (150,000 light years) than it is thick (1000 light years)? - Quora
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