Katie Mack
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astrokatie.com
Katie Mack
@astrokatie.com
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.
By contrast:

(I guess you’re supposed to get from context of how it’s displayed on the screen that it’s gonna do the squaring first and then take the negative but if you’re just used to using a calculator irl, you won’t expect this.)
September 7, 2025 at 6:28 PM
For example:
September 7, 2025 at 6:25 PM
Best glory I’ve ever seen from a plane! It’s an optical phenomenon that occurs when light interacts in and around tiny droplets of water in the clouds, in the direction opposite the sun. More complex than a rainbow. Here’s a link to some more info: www.zmescience.com/science/phys... #optics #physics
September 7, 2025 at 12:53 PM