(Download) "Cosmic Challenge" by Philip S. Harrington # eBook PDF Kindle ePub Free
eBook details
- Title: Cosmic Challenge
- Author : Philip S. Harrington
- Release Date : January 06, 2013
- Genre: Astronomy,Books,Science & Nature,
- Pages : * pages
- Size : 17631 KB
Description
Listing over 500 sky targets, this guide will test novice astronomers and advanced veterans alike. Its unique mix of Solar System and deep-sky targets contains challenges suitable for the naked eye, binoculars, and backyard telescopes. Each target object has a difficulty rating, a realistic illustration, and a detailed finder chart.
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