Bad Astronomer (formerly @BadAstronomer), SciCommer, Dork. Crash Course Astronomy guy. He/him. Newsletter: badastronomy.beehiiv.com

I'm self-employed so my opinions do in fact represent my company's.

Cosmologist, pilot, author, connoisseur of cosmic catastrophes. TEDFellow, CIFAR Azrieli Global Scholar. Domain verified through my personal astrokatie.com website. She/her. Dr.

Personal account; not speaking for employer or anyone else.

Amateur astronomer, photographer, once in a while a writer. 

Atheist on Monday, Wednesday, Friday.  Agnostic on Tuesday, Thursday, Saturday. Pantheist on Sunday.

Steve C

Phil Plait

Katie Mack