Messier 5
This photograph of glubular cluster M5 has been obtained by David Malin with
the 3.9-meter Anglo-Australian Telescope. It shows that the instrument resolves
well the brighter stars even in the center of this cluster. The stars in this
cluster differ in color: while the brightest stars are yellow and orange
(“red giants”), most of the fainter stars appear blue. This blueish hue
dominates the overall appearance of the cluster, contrary to a longly hold
misbelief that globulars should look red.
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Coral Cooksley of the