"A dense ball of 10.5 million stars, Omega Centauri is the biggest and brightest of about 200 globular clusters in the galaxy. The average distance between its stars is just one tenth of a light year—about as close as the inner Oort Cloud is to the Sun."
Unlike the Pleiades and other open star clusters, globular clusters aren’t on the galactic plane or part of the disk. They orbit the entire galaxy in a spherical halo with a diameter on par with that of the disk. Dark matter—invisible to us—extends the halo.
Generator Unlocked
Remnant Core?
The stars that make up globular clusters are nearly as old as the universe, meaning they formed before the galaxy itself took shape. Oddly, Omega Centauri also has new stars laced with metals. Could it harbor the remnants of another galaxy that Milky Way devoured?
Halo
47 Tucanae Cluster[]
You unlock this after getting 50 Omega Centauri
"This globular cluster, the second-most visible from Earth, is emitting strange radio signals. A pulsar? Or is it a black hole? It could be the first intermediate black hole—between stellar and supermassive—ever detected in a ball of stars."
Achievements[]
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Description
Requires
47 Tucanae Cluster
This globular cluster, the second-most visible from Earth, is emitting strange radio signals. A pulsar? Or is it a black hole? It could be the first intermediate black hole—between stellar and supermassive—ever detected in a ball of stars.
Omega Centauri Rank 3
Immigrant Stars
Gaia is a mission to map the Milky Way in 3D. The space telescope found old stars in the halo that were born together in another galaxy and still travel as a pack. We know they’re immigrants because their speed, trajectory, and chemistry differ from native stars.