Andrea Thompson @andreatweather.bsky.social Senior Desk Editor for Life Sciences at Scientific American, covering earth and the environment. (she/her) Posts are entirely my own and not reflective of my employer. Email: andrea.thompson@sciam.com Signal: @AndreaT.95
Chris Hadfield @cmdr-hadfield.bsky.social Astronaut, back on Earth after 3 spaceflights. For events & media, please write to info@chrishadfield.ca. Order books at http://chrishadfield.ca/books
Alt CDC (they/them) @altcdc.altgov.info Public health experts resisting harmful policies, fighting disinformation, and defending public health from within.
Not official CDC—but close enough for transmission.
Proudly #AltGov
Tips? signal altCDC.99, email altCDCtips@proton.me or DM
NASA Webb Telescope @nasawebb.extwitter.link ⚠️ MIRROR OF twitter.com/NASAWebb
⚠️ If you own the original account and want to claim this, please contact @twttr-mirrors.bsky.social
NASA Voyager @nasavoyager.extwitter.link ⚠️ MIRROR OF https://twitter.com/NASAVoyager
⚠️ If you own the original account and want to claim this, please contact @twttr-mirrors.bsky.social
Markus Pössel @mpoessel.de Astronomy and relativity outreach (Tweets in German & English) | personal account | he/his | managing scientist @hausderastronomie.bsky.social | director @astro4edu.bsky.social |outreach @mpi-astro.bsky.social | Seestar enthusiast
@flow-media.bsky.social @flow-media.bsky.social 
Marion Agnew @marionagnew.bsky.social Writer, reader, nature observer, lover of Lake Superior
US/Canada
Making Up the Gods (fiction), 2023
Reverberations: A Daughter's Meditations on Alzheimer's (nonfiction), 2019
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app