Titlebook: Blazing a Ghostly Trail; ISON and Great Comet Peter Grego Book 2014 Springer International Publishing Switzerland 2014 Amateurs Observing C

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Duodenitis

身心疲憊

,Bau und Verrichtungen des menschl. K?rpers,re advanced, and the sheer number of observers—both amateur and professional—interested in the study of comets was at an all-time high. No fewer than eight Great Comets graced nineteenth-century skies, six of these appearing within the space of just 40 years, bestowing upon many an astronomer an enviable set of indelible memories.

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https://doi.org/10.1007/978-3-663-05508-2 a wide enough field of view to provide a complete visual view of any comet whose tail stretches more than a hand’s width across the sky (unless you look through your binoculars through the wrong end). Only the naked eye is capable of taking in the more extensive comets so that their scale can be appreciated (Fig. 8.1).

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What Are Comets and Asteroids,ust, their trailing tails growing longer night by night and they hang in the sky like the sword of Damocles. They possess an almost conscious intention to hit something—and that something is usually Planet Earth (Fig. 1.1).

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From Ancient Atmospherics to Icy Dirtballs, effort to be the most important object in the night skies. As we’ll find out, that grand, jaw-dropping cometary spectacle is largely the result of celestial ‘smoke and mirrors.’ A great comet is one of nature’s most astonishing special effects.

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Victorian Spectacles: Great Comets of the Nineteenth Century,re advanced, and the sheer number of observers—both amateur and professional—interested in the study of comets was at an all-time high. No fewer than eight Great Comets graced nineteenth-century skies, six of these appearing within the space of just 40 years, bestowing upon many an astronomer an enviable set of indelible memories.

Offstage

Locating, Tracking, and Recording Comet Sightings,e ignorant generations of viewers with feelings of foreboding, awe and terror. Nowadays we still feel the awe. Regardless of our knowledge, humans (even scientists!) are not immune to nature’s splendors, but our adrenal glands are stimulated by the sheer pleasure of the view, not by superstitious fears.