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My favorite video about observing black holes: https://youtu.be/iphcyNWFD10 https://youtu.be/iphcyNWFD10 Enjoy :)
by acobster 9y ago
My favorite video about observing black holes: https://youtu.be/iphcyNWFD10 https://youtu.be/iphcyNWFD10
Enjoy :)