Astronomy Cast

Wizzard Media

Science & Medicine, Natural Sciences

Chart Positions

Natural Sciences 12
Science & Medicine 32

Astronomy Cast brings you a weekly fact-based journey through the cosmos.


Ep. 225: Ice in Space

March 21st, 2011

Episode 257 of 460 episodes

A huge part of the Solar System is just made of ice. There are comets, rings, moons and even dwarf planets. Where did all this ice come from, and what impact (pardon the pun) has it had for life on Earth?