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.
Videos
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Helen Skelton
as Herself - Presenter
as Herself - Presenter
Barney Harwood
as Himself - Presenter
as Himself - Presenter
Helen Czerski
as Herself
as Herself
Jem Stansfield
as Himself
as Himself
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