5 supersize stars found in other galaxies

KISSIMMEE, Florida — Scientists have discovered five supersize stars in other galaxies on a par with the monstrous stellar system in our own Milky Way.

Eta Carinae is the brightest and most massive star system within 10,000 light-years of us. The binary system is located in the southern constellation of Carina, a ship’s keel, and outshines our own sun by 5 million times.

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At the American Astronomical Society’s annual meeting Wednesday, Rubab Khan, a researcher at NASA’s Goddard Space Center in Maryland, reported on the discovery of five “Eta twins.” The Hubble Space Telescope and NASA’s Spitzer Space Telescope helped identify them.

Khan says the discovery will shed light on the evolution of these stellar heavyweights.

Eta Carinae erupted in the 1800s, hurling stellar material into space.

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