When did people first observe the skies? -- Why is much of the universe invisible? -- How fast does light travel through space? -- How does an optical telescope work? -- Are big telescopes better than small ones? -- Why is radio astronomy so important? -- Observing outer space -- How do we find out about the sun? -- What can the hubble space telescope see? -- Where do we look for infrared targets? -- What is X-ray astronomy? -- What are astronomy's new frontiers? -- Young astronomer -- How can i go star spotting? -- Database -- Facts and figures -- Glossary, going further.