Dark Nebulae, Dark Lanes, and Dust Belts. 1st ed. 2012

種類:

電子ブック

責任表示:

by Antony Cooke

出版情報:

New York, NY : Springer New York : Imprint: Springer, 2012

著者名:

• Cooke, Antony.
• SpringerLink (Online service)

シリーズ名:

The Patrick Moore Practical Astronomy Series ;

ISBN:

9781461411864 [1461411866]    

注記:

The Nature of Unlit Gases and Dust, and Their Place in the Universe -- Defining Our Viewing Parameters and Methods -- Dark Nebulae -- Dark and Dusty Regions in Bright Diffuse Nebulae -- Dark Lanes in Star Clusters -- Dust Belts and Dark Features in Galaxies -- Dark Regions in Planetary Nebulae -- A Few Last Words.
As probably the only book of its type, this work is aimed at the observer who wants to spend time with something less conventional than the usual fare. Because we usually see objects in space by means of illumination of one kind or another, it has become routine to see them only in these terms. However, part of almost everything that we see is the defining dimension of dark shading, or even the complete obscuration of entire regions in space. Thus this book is focused on everything dark in space: those dark voids in the stellar fabric that mystified astronomers of old; the dark lanes reported in many star clusters; the magical dust belts or dusty regions that have given so many galaxies their identities; the great swirling 'folds' that we associate with bright nebulae; the small dark feature detectable even in some planetary nebulae; and more. Many observers pay scant attention to dark objects and details. Perhaps they are insufficiently aware of them or of the viewing potential they hold, but also it may be

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