
A Word about Those UFO Videos
I’m an astrophysicist, but that doesn’t mean I have a motivation to debunk them
Katie Mack is a theoretical astrophysicist who studies dark matter, black holes, early galaxies, and weird little mysteries of the cosmos. She is an Assistant Professor of Physics at North Carolina State University, in the Chancellor's Faculty Excellence Program for Leadership in Public Science. You can find her on Twitter @AstroKatie or on her website. She is the author of The End of Everything (Astrophysically Speaking), to be published in August, 2020.
I’m an astrophysicist, but that doesn’t mean I have a motivation to debunk them
Astronomers may have spotted, albeit indirectly, the very first starlight in the universe—plus some new evidence about the properties of dark matter
People often ask me: “What is spacetime? The easy answer is that it’s the "fabric of space.” That means little; space isn’t a fabric, and doesn’t act like one...
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