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Definition of globular cluster in English: globular clusternoun Astronomy A large compact spherical star cluster, typically of old stars in the outer regions of a galaxy. Example sentencesExamples - Be warned that first-timers can find it difficult to appreciate galaxies, globular clusters, and planetary nebulae.
- The new findings promise a better understanding of how galaxies and globular clusters first formed billions of years ago.
- In the 1900s American astronomer Harlow Shapley studied the distribution of globular clusters in our galaxy.
- He also discovered the retrograde rotation of the system of globular clusters around the galaxy.
- The oldest stars, which lie inside globular clusters that orbit our galaxy, are estimated to be at least 12 billion years old.
Definition of globular cluster in US English: globular clusternoun Astronomy A large compact spherical star cluster, typically of old stars in the outer regions of a galaxy. Example sentencesExamples - Be warned that first-timers can find it difficult to appreciate galaxies, globular clusters, and planetary nebulae.
- He also discovered the retrograde rotation of the system of globular clusters around the galaxy.
- The new findings promise a better understanding of how galaxies and globular clusters first formed billions of years ago.
- 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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