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 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...