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Population II
One of two groups that stars and other celestial bodies can be divided into.

Population II stars are typically old, metal-deficient stars found in the center of the galaxy, and also following highly elliptical orbits that take them far from the galactic disk.

Typical Population II members are long-period variable stars, globular clusters, and type II cepheid variables.

This entry is located in the following unit: Astronomy and related astronomical terms (page 20)