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UT20110831 |
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ALL QUESTIONS CONCERNING THIS WEB SITE SHOULD BE DIRECTED TO: truemartian@aol.com |
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truemartian.com |
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AMATEUR ASTRONOMY FOR BEGINNERS: AN ONLINE GUIDE |
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TOPICS
FREE RESOURCES Free desktop planetarium software:
Free star chart; updated monthly:
CONTACT
PROJECTS FOR AMATEURS AND EDUCATORS OPTICAL ASTRONOMY
RADIO ASTRONOMY |
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FOCAL RATIO: BASIC KNOWLEDGE |