剧情简介：How old is the Earth? How fast can you think? How long is a light year and how short is a femtosecond? What does Greenwich Mean Time mean? Can you tell the time with flowers? When did time itself begin? This lighthearted, illustrated miscellany goes a long way to answering some of these questions and also presents a whole range of other amazing facts and figures that reveal the...(展开全部)
作者：Royal Observatory Greenwich
出版社：Royal Observatory Greenwich
ISBN：9781906367664
