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Astronomy: Galaxy Messier 13
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M13 is one of the most prominent and best known globular clusters. Visible with binoculars in the constellation of Hercules, M13 is frequently one of the first objects found by curious sky gazers seeking objects beyond normal human vision. M13 is a colossal home to over 100.000 stars, spans over 150 light years across and lies over 20.000 light years distant. It is one of the old clusters with an age of over 12 billion years. At the 1974 dedication of Arecibo Observatory, a radio message about Earth was sent in the direction of M13. Related subjects>> Messier catalog of 110 deep sky objects>> Charles Messier >> Milky Way Galaxy |
 The 13th object observed by Charles Messier < JPG image 640 X 480 pixels > |
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