冬夏大三角星星及相關(guān)星座知識

1、Introduction,Stellar magnitudeWinter big triangleSummer big triangle,Stellar magnitude,? ?,what is it,apparent magnitude(視星等),describing the brightness of a celestial objecta standard6 ranksthe smaller,the b

2、righternegative value,Sun and Venus,,,What determines its stellar magnitude?,,DistanceThe light it shinesdifferent Quasar(恒星) red giant (紅巨星)white / yellow /red /brown dwarf(矮星),Winter big triangle,Sirius (天狼星)—

3、—Greater Dog（大犬座）Procyon(南河三)——Lesser Dog（小犬座）Betelgeuse(參宿四)——Orion（獵戶座）,,,,The Orion,A great hunterin the Greek Mythskilled by Artemisdue to Apolo'strap,Summer big triangle,Vega(織女星)——Lyra(天琴座)Altair(牛