17 Jan 2026
47 Tucanae is located in the Southern constellation Tucana (The Toucan), close to the Small Magellanic Cloud. It's an impressive globular cluster that is visible to the unaided eye. It lies at a distance of about 16,000 light-years from Earth, has a total mass of about 1,000,000 Solar masses, and is 120 light-years across. 47 Tucanae is so dense that the stars are less than a tenth of a light-year apart, about the size of our Solar system and is only surpassed, in globular clusters, by Omega Centauri.
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Tom
47 Tucanae
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