Ebook: Astronomy: understanding the universe

Recounts some of the major discovery milestones in the field of astronomy and examines the tools and techniques currently used by astronomers to study the universe.;The visible sky -- Earth in space -- Eclipses -- Rocks from outer space -- Tools and techniques of astronomy -- Telescopes -- Spectroscopy: what light tells astronomers -- The solar system -- Kepler's laws of planetary motion -- Newton's law of universal gravitation -- The planets -- Natural satellites -- Asteroids and comets -- Does life exist elsewhere? -- The universe -- A revolution in cosmology -- The expanding universe -- The uniform universe -- The big bang -- Predictions of the big bang theory -- Evidence for the big bang theory -- The history of astronomy -- Ancient observations -- Foundations of modern astronomy -- The impact of astronomy -- Amateur astronomy -- Using the unaided eye -- Using telescopes -- An explosion of new technology -- Serious amateur astronomy.