麻豆约拍

Back up to: Helen Keen's It Is Rocket Science

1. Episode 4

   4/4 What could we do if a giant asteroid were heading straight for us?
2. Episode 3

   3/4 The women US astronauts of Mercury 13, who never got into space.
3. Episode 2

   2/4 Funny, factually-accurate look at space travel and explosive nuclear propulsion.
4. Episode 1

   1/4 Are there civilisations on other planets, and, if so, why do they never call?