The Hubble Space Telescope wins again, with this astonishing image of the M13 globular cluster. Here’s more from Astronomy Now:
The globular cluster M13 in Hercules is a favorite target for amateur astronomers and professionals alike, a vast concentration of stars easily visible in binoculars and even to the unaided eye on clear, dark nights. But through a telescope, M13 turns into a glimmering metropolis of more than 100,000 suns, one of the brightest and best-known globular clusters in the northern sky.
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