Globular Clusters

Looking like globe-shaped cotton balls, the known globular clusters number about 125 in our own galaxy. They are distributed spherically around the galaxy, but are more concentrated near the Galactic center.

Globulars are old - evidence for this is that the brightest stars are red. RR Lyrae variable stars abound in globulars.

Globulars range in size from a little under 100 light years across to about 400 light years. Their stars number from tens of thousands, up to hundreds of thousands.

Most globulars orbit the center of the Milky Way on eccentric and highly-inclined orbits.

Click on a thumbnail image to see the full size image.

M2, NGC 7089

M3, NGC 5272

M4, NGC 6121

M10, NGC 6254

M12, NGC 6218

M13, NGC 6205

M15, NGC 7078

M19, NGC 6273

M28, NGC 6626

M30, NGC 7099

M53, NGC 5024

M54, NGC 6715

M55, NGC 6809

M56, NGC 6779

M69, NGC 6637

M70, NGC 6681

M71, NGC 6838

M72, NGC 6981

M79, NGC 1904

M80, NGC 6093

M92, NGC 6341

M107, NGC 6171

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Last updated on 11-02-99.