How the discoveries of observatories have unlocked the secrets of the Universe, from Stonehenge to Hubble.

An unparalleled history of astronomy presented in the words of the scientists who made the discoveries. Here are the writings of Copernicus, Galileo, Kepler, Newton, Halley, Hubble, and Einstein, as well as that of dozens of others who have significantly contributed to our picture of the universe. From Aristotle's proof that the Earth is round to the 1998 paper that posited an accelerating universe, this book contains 100 entries spanning the history of astronomy. Award-winning science writer Marcia Bartusiak provides enormously entertaining introductions, putting the material in context and explaining its place in the literature. Archives of the Universe is essential reading for professional astronomers, science history buffs, and backyard stargazers alike.

This book explores the history of the discovery of the expanding universe, one of the most exciting exploits in astronomy.

The riveting and mesmerizing story behind a watershed period in human history, the discovery of the startling size and true nature of our universe. On New Years Day in 1925, a young Edwin Hubble released his finding that our Universe was far bigger, eventually measured as a thousand trillion times larger than previously believed. Hubble’s proclamation sent shock waves through the scientific community. Six years later, in a series of meetings at Mount Wilson Observatory, Hubble and others convinced Albert Einstein that the Universe was not static but in fact expanding. Here Marcia Bartusiak reveals the key players, battles of will, clever insights, incredible technology, ground-breaking research, and wrong turns made by the early investigators of the heavens as they raced to uncover what many consider one of most significant discoveries in scientific history.

What is the universe? -- How is it formed? -- The sun and rocky planets -- The gas giants -- The Earth and the moon -- Life on Earth -- The conquest of space -- Space exploration -- Space missions -- The universe and mankind -- Astronomy and daily life

When observing the sky on a very clear, dark night, the soft glow of the Milky Way with its thousands of stars can be seen with the naked eye. Over the centuries since Galileo Galilei first pointed a telescope at the galaxy in 1609, this awe-inspiring yet easily visible panorama was our cosmos, our celestial world. With each new scientific discovery, however, this cosmos has grown dramatically, increasing rapidly over the last several decades. As we look deeper into space, the earlier phases of the cosmos are unveiled to us, but we know that even with the largest telescopes, we will see only a tiny fraction of the vast expanse of the universe. In Astronomy’s Limitless Journey, astrophysicist Günther Hasinger takes the reader on a journey to the far reaches of the universe—an exciting time travel that begins with the incredibly hot fireball of the Big Bang roughly 13.8 billion years ago and ends in distant eons with its cold, dark demise. In between lie the times in which extensive structures, galaxies, stars, and planets form. As the field of astrophysics and cosmology experiences a “golden age” due to larger telescopes, faster computers, and more sophisticated algorithms, fundamental changes are taking place in our understanding of space and time and of the origin and future of our universe. Hasinger thoroughly explains these fascinating revelations and describes the methods utilized in modern astrophysics. He cautions, however, that the boundaries between knowledge and ignorance shift constantly; where our knowledge is so incomplete such that we can only speculate, the journey becomes shaky. Indeed, every new discovery opens a further door to the unknown and with every answered question, we discover more locked doors still to be opened.