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News for Norther Colorado and the world

Sunday, September 21, 2014

Posts Tagged ‘globular star cluster’

Sky Tonight—April 28, Spica is your guide star to

Sky Tonight—April 28, Spica is your guide star to Omega Centauri cluster

Courtesy of EarthSky A Clear Voice for Science Visit EarthSky at www.EarthSky.org Silvery-blue Spica, the only prominent star in the constellation Virgo, acts as your guide to the Omega Centauri globular star cluster. To the unaided eye, Omega Centauri looks like a faint (and possibly fuzzy) star. Very few of the Milky Way galaxy’s 250 or so globular clusters are readily visible without optics. To find Spica, extend the curve of the Big Dipper handle, as illustrated on our April 5 ... Full Story

Astronomy Photo of the Day

Astronomy Photo of the Day

Globular Star Cluster 47 Tuc Image Credit & Copyright: Dieter Willasch (Astro-Cabinet) Explanation: Globular star cluster 47 Tucanae is a jewel of the southern sky. Also known as NGC 104, it roams the halo of our Milky Way Galaxy along with some 200 other globular star clusters. The second brightest globular cluster (after Omega Centauri) as seen from planet Earth, it lies about 13,000 light-years away and can be spotted naked-eye near the Small Magellanic Cloud in the ... Full Story

Earthsky Tonight — April 19, two stars lead to

Earthsky Tonight — April 19, two stars lead to constellation Hercules

Courtesy of EarthSky A Clear Voice for Science www.EarthSky.org The constellation Hercules the Kneeling Giant can be seen ascending in the east-northeast on these spring evenings. Our chart today shows the sky for late night, when all of these objects are well up in the northeastern to eastern sky. The stars Arcturus and Vega can help you identify Hercules, whose most noticeable pattern is a squarish figure in the center of the constellation. This sky pattern, or “asterism,” is ... Full Story

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