Alpha Bootis

Arcturus

alpha bootis,orange giant

Arcturus, Alpha Boötis, is the brightest star in Boötes constellation and the fourth brightest star in the sky. With an apparent magnitude of -0.04, Arcturus is the brightest star in the northern celestial hemisphere. (The three brightest stars – Sirius in Canis Major, Canopus in Carina, and Alpha Centauri in Centaurus – lie south of … [Read more…]

The Night Sky in June

HubbleSite.org has released a video with the June night sky highlights: the evening and morning planets, summer constellations, star clusters, brightest stars and a partial solar eclipse on June 1. Watch the clip below. EVENING & MORNING PLANETS Saturn – southwestern sky – 10 pm Jupiter – eastern sky – 5 am CONSTELLATIONS