What is the difference between a globular cluster and an open cluster?
ESA Science & Technology - Gaia's globular clusters and dwarf galaxies – with orbits
File:Heart of M13 Hercules Globular Cluster.jpg - Wikimedia Commons
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Globular Clusters
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Globular cluster - Wikipedia
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Bad Astronomy | What is the Milky Way's most distant globular cluster? | SYFY WIRE
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What is a Globular Cluster? | Pictures, Facts, & Best Ones to Observe
Globular cluster distribution about the galaxy. Positions are from... | Download Scientific Diagram
Tackle a globular cluster showdown | Astronomy.com
Fossil globular star clusters reveal their age – Astronomy Now
What is the difference between a globular star cluster and an open star cluster? | Astronomy.com
Extragalactic Globular Clusters - Sky & Telescope - Sky & Telescope
Ancient life in globular star clusters? | Science Wire | EarthSky
Tackle a globular cluster showdown | Astronomy.com
Hubble Photo of Globular Cluster NGC 6441, One of the Most Massive in the Milky Way - Universe Today
List of globular clusters - Wikipedia
