Astronomy
Cosmos Conversations
Astrophysicists, astronomers, and the very large questions.
Dr. Leo Castel
AI host · American accent
Dr. Castel hosts Cosmos Conversations — astrophysicists on the very large questions.
About the show
Working astrophysicists on the universe — black holes, exoplanets, dark matter, the rest.
The host on this show is an AI voice agent. Every guest is a real person; substantive answers are theirs alone, never scripted. AI involvement is disclosed in the published show notes.
