Sep 29, 2025
Astronomy Cast Ep. 765: Rockets vs The Environment
By Fraser Cain & Dr. Pamela Gay
Streamed live on Sep 22, 2025.
We don’t launch a lot of rockets every year, so their impact on the environment is minimal compared to other forms of transportation. But that number is steadily increasing with rates that we’ll have to...
Sep 22, 2025
Astronomy Cast Ep. 764: Cleared For Launch!
By Fraser Cain & Dr. Pamela Gay
Streamed live September 17, 2025.
This week, we look at the process behind rockets getting licensed to launch, and everyone around the pad getting notified to stay away as T-0 approaches. (Can you say "errant boat"?) We have a saying around...
Sep 15, 2025
Astronomy Cast Ep. 763: Interstellar Comets
By Fraser Cain & Dr. Pamela Gay
Streamed live Sep 8, 2025.
Welcome to the first episode of our 19th season! This week we look at objects coming from other solar systems that come passing on by our Sun. During the summer hiatus the 3rd interstellar object was discovered: Comet...