| 1. | His astronomy research focused on a young galactic cluster designated NGC 2264.
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| 2. | The bubbles are in this case ghostly cavities in huge galactic clusters.
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| 3. | And these wind directions were lined up with the galactic clusters within superclusters.
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| 4. | Galactic clusters are gravitationally bound large-scale structures of multiple angular momenta of galaxies.
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| 5. | It is possible, he said, that other galactic clusters are singing in other tones.
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| 6. | These dark matter clumps then formed the " scaffolding " around galaxies and galactic clusters.
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| 7. | The farther away the galactic cluster, the earlier it theoretically formed after the big bang.
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| 8. | This is in contrast to the appearance of young, nearby galactic clusters, the astronomers said.
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| 9. | Strongly interacting massive particles have been proposed as a solution for the cooling flows in galactic clusters.
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| 10. | It was later debated that the incredible luminosity was caused by the gravitational lensing of a foreground galactic cluster.
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