Visibility of the lunar crescent
By Bradley E.Schaefer NASA/Goddard Space Flight Center, Code 661 Greenbelt, MD 20771, USA Prediction of...
Astronomy & Falak Syarie in Brunei Darussalam
By Bradley E.Schaefer NASA/Goddard Space Flight Center, Code 661 Greenbelt, MD 20771, USA Prediction of...