Stargazing Challenges

Stargazing Challenges (2012)

Blue Peter presenters Helen Skelton and Barney Harwood want to learn more about the solar system so they challenge scientists Helen Czerski and Jem Stansfield to find out more. They look at how to make telescopes and rockets, and use a toilet roll to measure the distances between planets.

上映日期
2012-01-10
片长（分钟）
29分钟
类型
纪录

演员阵容

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