How long does it take light from the Sun to reach Earth? What do we call one millionth of a billionth of a second? What animals change colour in different seasons? And why is Greenwich the Home of Time? Find the answers to these and many more fascinating questions in this timely little book from the Royal Observatory Greenwich, the 'Home of Time'.
Ik heb een vraag over het boek: ‘About Time Too - Royal Observatory Greenwich’.
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