This Week in Astronomy with Dave Eicher: Globular cluster M22

In this episode, Astronomy magazine Editor Dave Eicher invites you to head out sometime soon and observe the great globular cluster M22 in the constellation Sagittarius the Archer. From a dark site on a moonless night, most observers can just pick out this object with their naked eyes. But its real glory is revealed when you pointContinue reading “This Week in Astronomy with Dave Eicher: Globular cluster M22”
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