M13 [ http://www.seds.org ] is one of the most prominent and best known globular clusters [ http://antwrp.gsfc. ]. Visible with binoculars in the constellation of Hercules [ http://www.astro.wi ], M13 is frequently one of the first steps beyond the ordinary visible to the casual sky gazer. M13 [ http://www.concentr ] 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 [ http://antwrp.gsfc. ], a radio message [ http://antwrp.gsfc. ] about Earth was sent in the direction of M13 [ http://www.kbcc.cun ]. The reason for the low abundance of unusual blue straggler stars [ http://antwrp.gsfc. ] in M13 is currently unknown [ http://adsabs.harva ].
Explanation
M13 [ http://www.seds.org ] is one of the most prominent and best known globular clusters [ http://antwrp.gsfc. ]. Visible with binoculars in the constellation of Hercules [ http://www.astro.wi ], M13 is frequently one of the first steps beyond the ordinary visible to the casual sky gazer. M13 [ http://www.concentr ] 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 [ http://antwrp.gsfc. ], a radio message [ http://antwrp.gsfc. ] about Earth was sent in the direction of M13 [ http://www.kbcc.cun ]. The reason for the low abundance of unusual blue straggler stars [ http://antwrp.gsfc. ] in M13 is currently unknown [ http://adsabs.harva ].
Explanation
Credit and Copyright:
Michael Richmann [ mailto:richmann@conc entric.net ]
Credit_and_Copyright
Michael Richmann [ mailto:richmann@conc entric.net ]