Apr 27, 2026
Astronomy Cast Ep. 791: Chang'e Sample Return
By Fraser Cain & Dr. Pamela Gay
Streamed live on Apr 20, 2026.
Last week we talked about samples from other worlds delivered to Earth by meteorites. But sometimes you’ve gotta do the job yourself. Visit the far off place and bring the samples home. And today we’re gonna...
Apr 20, 2026
Astronomy Cast Ep. 790: Meteorites From Other Worlds
By Fraser Cain & Dr. Pamela Gay
Streamed live April 17, 2026.
Even though humanity has returned samples from a fraction of the worlds in the solar system, the cosmos has delivered many more without us having to lift a finger. Meteorites. We have meteorites from the...
Apr 6, 2026
Astronomy Cast Ep. 789: What Happens When a Planet's Star Dies
By Fraser Cain & Dr. Pamela Gay
Streamed live on Mar 30, 2026.
A star like the Sun only lasts about 10 billion years and it becomes a red giant and finally a white dwarf. This is catastrophic for some of the planets, consumed by the expanding red giant...