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 100 years ago tonight:  Edwin Hubble discovers the Universe

This photographic glass plate captured by Edwin Hubble on October 6, 1923, at Carnegie’s Mount Wilson Observatory forever changed our understanding of the universe and paved the way for modern astronomy. 

https://carnegiescience.edu/video-var-plate-100th-anniversary
https://obs.carnegiescience.edu/PAST/m31var

#universe #cosmology #astronomy #astrophysics #science #astrodon #otd #hubble #M31 #andromeda #galaxy

https://files.mastodon.social/media_attachments/files/111/184/010/169/994/492/original/e9971caf21b7cb31.jpg

https://files.mastodon.social/media_attachments/files/111/184/010/770/088/210/original/3b08de4cddd875cb.jpg