Twitter thread about Doug Geisler, an astronomy grad student who was at Manastash Ridge Observatory forty years ago when Mount St. Helens exploded 140 miles away

culturedleftfoot
Tue, 19 May 2020 03:15:13 +0000

Link URL: https://twitter.com/emsque/status/1262385355837317121

Comments URL: https://tildes.net/~science/oxi/twitter_thread_about_doug_geisler_an_astronomy_grad_student_who_was_at_manastash_ridge_observatory

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