John Gizis
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johngizis.bsky.social
John Gizis
@johngizis.bsky.social
Astronomer, University of Delaware

Speaking for myself.
First time in three decades teaching at University of Delaware’s beautiful Memorial Hall in the center of campus. (Of course, I’m actually in the basement). #UDel
August 27, 2025 at 1:07 PM
University of Delaware astronomy watch party for Vera Rubin First Look is off to a great start. 🔭
June 23, 2025 at 2:51 PM
It was great to see the new telescope at Mt Cuba Astronomical Observatory in Delaware USA yesterday. 🔭
April 27, 2025 at 1:59 PM
Pleased with this
January 4, 2025 at 11:44 PM
Bluesky now has over 10 million users, and I was #679,572!
October 10, 2024 at 11:06 PM
April 3, 2024 at 11:00 PM
January 20, 2024 at 3:15 PM
I decided to read Oppenheimer & Snyder (1939) On Continued Gravitational Contraction (aka formation of black holes from stars) and I loved this line: "We have been unable to integrate these equations..." 🔭
October 30, 2023 at 1:56 PM
Top Hat!
September 16, 2023 at 2:15 AM
September 2, 2023 at 7:28 PM
Tomorrow's University of Delaware physics (biophysics!) colloquium is our own Prof. Ed Lyman on "Lipidomic Adaptations at Extreme Pressure".
August 29, 2023 at 3:14 PM
Another 🔭 Astronomy picture I saved from twitter, this one with a twist on the habitable zone concept. Sorry, I don’t know who to credit.
August 26, 2023 at 10:24 PM
I’ve got this same mug!
August 26, 2023 at 9:04 PM
August 24, 2023 at 8:31 PM