Harry Turtledove @hntdove.bsky.social Writer: alternate history, other sf, fantasy, historical fiction. Severely allergic to fascism.
Thony Christie @rmathematicus.bsky.social Aging freak who fell in love with the history of science and now resides mostly in 16th century Nürnberg.
Eric Berger @sciguyspace.bsky.social Senior Space Editor, Ars Technica. Likes rockets. 
Paul Byrne @theplanetaryguy.com Associate Professor of Earth, Environmental, and Planetary Science at WashU • NASA Planetary Data System Geosciences Node Director • Explorers Club EC50 • eeps.washu.edu/people/paul-byrne • he/him
Applejack @lunarwhite1.bsky.social 
Tony DelGenio @tonydelgenio.bsky.social Retired Earth climate and planetary scientist. Current New York Giants football writer for SB Nation Big Blue View. Oenophile. Whovian.
David Grinspoon @drfunkyspoon.bsky.social Astrobiologist, Author, Musician. 👽🎸❤️🚀
Sagan Medalist, PEN winner, AAAS fellow.
Former Senior Scientist for Astrobiology Strategy at NASA.
There’s an asteroid named after me (22410 Grinspoon) which is better than having one with your name on it…
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