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APOD - M13: A Great Globular Cluster of Stars - 2016-07-27

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M13: A Great Globular Cluster of Stars

M13_Fournier_960.jpg

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 celestials wonders beyond normal human vision. M13 is a colossal home to over 100,000 stars, spans over 150 light years across, lies over 20,000 light years distant, and is over 12 billion years old. At the 1974 dedication of Arecibo Observatory, a radio message about Earth was sent in the direction of M13. The featured image in HDR, taken through a small telescope, spans an angular size just larger than a full Moon, whereas the inset image, taken by Hubble Space Telescope, zooms in on the central 0.04 degrees.
Dean Fournier

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Leoyasu

47 Tuc rules...

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ricardo
hace 2 horas, Leoyasu dijo:

47 Tuc rules...

 

Jajajaja.. no saben nada no ?

 

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DZSDRUIDA

Hace muchos años ya, en 1992 para ser exacto, Janet Mattei, directora de la AAVSO visito Argentina de camino a la Convencion de Liada de Montevideo y la llevamos a visitar el observatorio de la Asociacion Argentina Amigos de la Astronomia, cuando le hicimos observar Omega Centauri exclamo en su perfecto ingles: POBRE M13!!!

Saludos,

Sergio.

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ricardo

Tal cual, M13 tiene 20 minutos de arco, 47 Tucan 50 minutos de arco, la deja chiquita!

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