Embedded in a dense star field, NGC 6397 is one of the closest globular clusters to us. Its stars are only a few lightweeks apart, while the star closest to us is over four light years away. Globular clusters are
Read moreEmbedded in a dense star field, NGC 6397 is one of the closest globular clusters to us. Its stars are only a few lightweeks apart, while the star closest to us is over four light years away. Globular clusters are
Read moreThe globular star cluster 47 Tucanae is a jewel in the southern sky. It is the second brightest globular cluster in the sky after Omega Centauri. It can be seen with the naked eye near the Small Magellanic Cloud in
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