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Oct 31, 2011: For more than four hundred years, astronomers have used telescopes to study the great variety of stars in our galaxy. Millions of distant suns have been catalogued. There are dwarf stars, giant stars, dead stars, exploding stars, binary stars; by now, you might suppose that every kind of star in the Milky Way had been seen.
That’s why a recent discovery is so surprising. Researchers using the Subaru telescope in Hawaii have found a star with spiral arms.