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Science --- Space research --- Astrophysics --- astrofysica --- popularisering wetenschap --- ruimte (astronomie) --- astronomie

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Science --- Space research --- Astrophysics --- astrofysica --- popularisering wetenschap --- ruimte (astronomie) --- astronomie

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A special celestial event climaxes towards the end of 2013, the arrival, fresh from the Oort Cloud, of Comet C/2012 S1 (ISON). By all predictions, this comet was set to be one of the most dazzling comets seen in modern history.   Sky watchers will have already been primed for C/2012 (ISON) earlier in 2013 with the apparition of another naked-eye comet, C/2011 L4 (PanSTARRS), and following C/2012 S1 (ISON) there is the prospect of 2012 K1 (PanSTARRS) reaching naked-eye visibility in August 2014. And there will be other bright cometary prospects in the near future, if we take into account the latest predictions.   This book sets the scene for the arrival of Comet C/2012 S1 and those comets following it over the next few years. It explains how sky watchers and amateur astronomers can practically follow comets, observe them, and record them. This is also a guide on how to keep abreast of the latest cometary discoveries and how to use publications, websites, programs, and apps to visualize and plan observations. The book includes:   ·    descriptions of the nature, origins and observing history of comets ·    a detailed guide to seeing and studying what could be the greatest comet of modern times ·    specially prepared maps covering bright cometary apparitions of the next few years. ·    Illustrations of recent naked-eye comets and space probe images of large comets.

Science --- Space research --- Astronomy --- Physics --- popularisering wetenschap --- fysica --- ruimte (astronomie) --- astronomie

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Imagine yourself living 400 years ago, right before the telescope was first used by Galileo to look up into the skies and find unforeseen wonders. You probably believed, with most of the known world, that Earth was at the center of the magnificent parade of planets and stars above you, and the Sun’s purpose in journeying across the sky was to give Earth daylight and warmth. Suddenly, though, your world is turned upside down. The Church, all powerful in its doctrines and teachings of the times, continues to support theories that don’t fit the facts presented by scientists. Scientists in their quest for truth must hide their findings or risk the harsh penalties imposed by the Church. We have gone from a comforting Earth-centered universe to a tiny floating spec in a gigantic cosmos, barely a comma in a lengthy treatise. And we have gone there in a blink of an eye. We may have lost our central position in the universe, but Grego and Mannion show us how much we have gained in understanding the universe around us. And we are only at the beginning of our journey. Their words help us to discover our place again and how we got there and what we might expect to learn in the centuries to come.

Science --- Space research --- Astronomy --- popularisering wetenschap --- ruimte (astronomie) --- astronomie