The constellation Hercules, an ancient Greek star pattern, ranks fifth in size (1,225.15 square degrees) but forty-eighth in overall brightness among the 88 constellations. It is optimally viewed on ...
The Hercules Cluster (M13) is often cited as the grandest globular cluster north of the celestial equator. Located 25,000 light- years away, it hosts more than 100,000 stars crammed into a volume of ...
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