Popular Astronomy, Volume 11; Volume 1903

appear astronomers belt bodies bright cause circle College comet computed correction Crucis Cygni Decl determined direction discovered distance double Earth eclipse effect elements equal equator error fact Geminorum give given important increase interest July June Jupiter known latitude less light lines liquid magnitude March marked Mars mass matter maximum mean measures method miles month Moon motion Name nature nearly night noted noticed object observations Observatory obtained occurred orbit passed period photographs planet plate POPULAR ASTRONOMY position possible practical present probably Professor published question reached record rotation Sagittarii seems seen Sept solar stars surface taken telescope temperature tion transit universe Variable Variable Stars Velorum visible Vulpeculae