Robert Julius Trumpler

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1	3rd Annual PEACE CORPS Report Add to Reading List Source URL: files.peacecorps.gov Language: English - Date: 2012-06-13 15:56:44 International relations Tunisia Robert Julius Trumpler Tunis Africa Peace Corps Presidency of John F. Kennedy
2	Trumpler Classification System for Open Star Clusters ____________________________________________________________________ Add to Reading List Source URL: lindahoffmeister63.files.wordpress.com Language: English - Date: 2014-01-10 23:34:18 Stellar astronomy Orion arm Space Nebula Robert Julius Trumpler NGC objects Open clusters Astronomy Star
3	PDF Document Add to Reading List Source URL: books.nap.edu Language: English - Date: 2000-04-04 12:29:26 Space Open clusters Orion arm NGC objects Messier objects Astronomy Robert Julius Trumpler Physics