Stargazing Challenges

年份

2012

上映日

2012-01-10

片长

29分钟

评分

0

剧情资料

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.