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  • Story of a Star Cluster

    Story of a Star Cluster

    Meet M13, one of my favorite globular star clusters. M13, also known as Messier 13 or the Hercules Cluster, is found — surprise surprise — in the constellation Hercules in the northern hemisphere. The really cool thing about star clusters…

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  • What Happens After Helium Fusion?

    What Happens After Helium Fusion?

    Back in August — sorry I took so long! — we talked about the helium flash, an explosion that occurs within stars when helium nuclei begin to fuse within a degenerate core. So…this is not what the helium flash would…

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