S01:E02
East Lansing Public Library Catalog to the book
Red Haven Documentary available for free on YouTube
What It Is Like to Be a Bat from the Internet Archive
The Event Horizon Telescope website
Sagittarius A* imaged by the Event Horizon Telescope can be found on Wikipedia
Strange Matter Coffee who created the Sagittarius A* donut
Wikipedia page on Vera Rubin who discovered dark matter
Image of Webb telescope showing lensing of stars around dark matter in space