M67, a star cluster in the constellation Cancer, is one of the oldest in the galaxy. It's held together even though it is probably at least 4 billion years old. It contains several hundred stars, all of them about as old as the Sun. [Nigel Sharp, Mark Hanna/NOAO/AURA/NSF]
+
Get the ultimate StarDate fan experience with our new premium digital package — a one-year subscription to the digital edition of StarDate magazine and a one-year subscription to our same-day audio service. For a limited time, we're offering both together for just $45, a savings of 20% over purchasing both separately.
StarDate depends on the support of listeners and astronomy enthusiasts like you. Please consider making a tax-deductible contribution to StarDate.
StarDate is brought to you in part through the generous support of our underwriters. Interested in underwriting? Let us know.
©2013 The University of Texas McDonald Observatory