Red dwarf star compared to Saturn, illustration
Red dwarf star EBLM J0555-57Ab compared to Saturn, illustration. EBLM J0555-57Ab is located 600 light-years from Earth. With a diameter even smaller than that of the planet Saturn, this is the smallest known true star (an object that converts hydrogen into helium via fusion reactions in its core). Despite is diminutive size, however, J0555 is no light weight, with a mass around 85 times that of Jupiter, making it exceedingly dense.
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