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Helen Keen's It Is Rocket ScienceSeries 2Episodes

    Episode 4

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

    Episode 3

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

    Episode 2

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

    Episode 1

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