Matt Bothwell
@mattbothwell.com
Astrophysicist, science communicator, author, human person
🪐 Public Astronomer at the University of Cambridge 🏛️ Bye-fellow at Girton College, Cambridge 📚 Author of The Invisible Universe, Astrophysics for Supervillains, & more
www.mattbothwell.com
🪐 Public Astronomer at the University of Cambridge 🏛️ Bye-fellow at Girton College, Cambridge 📚 Author of The Invisible Universe, Astrophysics for Supervillains, & more
www.mattbothwell.com
By popular demand, a side-on view of the glass gravitational lens! Now with extra autumnal-ness. 🧪🔭
October 21, 2025 at 2:45 PM
By popular demand, a side-on view of the glass gravitational lens! Now with extra autumnal-ness. 🧪🔭
It is regular glass optics, but it’s a piece of glass specifically made so the lending matches the gravitational lending profile of a galaxy. This video shows it a bit better
October 21, 2025 at 2:39 PM
It is regular glass optics, but it’s a piece of glass specifically made so the lending matches the gravitational lending profile of a galaxy. This video shows it a bit better