Cover of Deep Sky Companions: The Secret Deep
Category: Reference
Publisher: Cambridge University Press
Pages: 498
ISBN: 9780521198769
Year: 2011

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Lent status: Available

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In this fresh list, Stephen James OMeara presents 109 new objects for stargazers to observe. The Secret Deep list contains many exceptional objects, including a planetary nebula whose last thermal pulse produced a circumstellar shell similar to the one expected in the final days of our Suns life; a piece of the only supernova remnant known visible to the unaided eye; the flattest galaxy known; the largest edge-on galaxy in the heavens; the brightest quasar; and the companion star to one of the first black hole candidates ever discovered.

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