Added: 13 Jul 2013 14:27:27
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  File(s): Sky & Telescope - September 2013 (gnv64).pdf - 18124429
Sky   Telescope - September 2013
English   True PDF   90 pages   17.2 mb
16 The History of Water on Mars
How many times has NASA discovered water on Mars? We set the record straight. By Emily Lakdawalla
24 Solving the Quasar Puzzle
Fifty years ago, recently discovered ?    radio stars?     began revealing their exotic secrets. By
Bradley Peterson
30 Deciphering Starlight
In Europe, many amateurs are engaging in professional-level research. By Jan Hattenbach
36 An Astronomical Revival
In western North Carolina, philanthropists have revamped a former military satellite-tracking
station, turning it into a leading hands-on
astronomy education center. By Ashley Yeager
68 Eyepieces: Windows on the Universe
Understanding the basics will help you select from the cornucopia of modern eyepieces. By Alan
72 Piecing Together the Sun   Moon
Here?    s an easy technique for creating expansive images of the Sun and Moon using modest sensors.
By Tim Jensen
43 In This Section
44 September?    s Sky at a Glance
45 Binocular Highlight By Gary Seronik
46 Planetary Almanac
47 Northern Hemisphere?    s Sky By Fred Schaaf
48 Sun, Moon   Planets By Fred Schaaf
50 Celestial Calendar By John E. Bortle   Alan MacRobert
54 Exploring the Solar System By J. Kelly Beatty
56 Deep-Sky Wonders By Sue French
60 Going Deep By Ken Hewitt-White
62 S T Test Report By Dennis di Cicco
6 Spectrum By Robert Naeye
8 Letters
9 75, 50   25 Years Ago By Roger W. Sinnott
10 News Notes
42 New Product Showcase
66 Telescope Workshop By Gary Seronik
76 Gallery
86 Focal Point By Christopher Cokinos  
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