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If we were close enough to globular cluster Palomar 6, we'd see an amazing skyful of stars. Gravity pulls its half a million stars into a globe shape. This image captured by the Hubble Space Telescope shows an area of about 15 light years across. It's quite a starry night. [Credit: ESA/Hubble & NASA, R. Cohen][APOD]

There are some 200 globular clusters in the Milky Way, most of them a long way from the center of the Galaxy. Although Palomar 6 is closer to the central area, it's still thought to be older than the Milky Way itself.

Palomar 6 globular star cluster – click to enlarge