A large compact spherical star cluster, typically of old stars in the outer regions of a galaxy.
- Be warned that first-timers can find it difficult to appreciate galaxies, globular clusters, and planetary nebulae.
- The oldest stars, which lie inside globular clusters that orbit our galaxy, are estimated to be at least 12 billion years old.
- In the 1900s American astronomer Harlow Shapley studied the distribution of globular clusters in our galaxy.
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Syllabification: glob·u·lar clus·ter
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