5 Shortz Era entries found. Click any date for context.
|Sunday, June 11, 2017||85D||Guide to studying the night sky||Charles M. Deber|
|Sunday, December 25, 2016||64A||Chart of the heavens||Kevin G. Der|
|Saturday, September 24, 2016||1A||Collection of high lights?||Mary Lou Guizzo|
|Sunday, December 25, 2011||134A||Navigational aid||Elizabeth C. Gorski|
|Tuesday, June 8, 2010||20A||Astronomer's aid||Peter A. Collins|