Watching the death of a rare giant star

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A University of Arizona-led team of astronomers has created a detailed, three-dimensional image of a dying hypergiant star.

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Extreme supergiant stars known as hypergiants are very rare, with only a few known to exist in the Milky Way.

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the second brightest star in the constellation Orion, and NML Cygni, also known as V1489 Cygni, in the constellation Cygnus.

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Spanning anywhere from 10,000 to 15,000 astronomical units (with 1 AU being the average distance between Earth and the sun)

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"It is much larger, much more massive and undergoes violent mass eruptions every 200 years or so."

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Previous imaging of VY CMa with NASA's Hubble Space Telescope and spectroscopy showed the presence of distinct arcs and other clumps and knots

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, the team set out to trace certain molecules around the hypergiant and map them to preexisting images of the dust

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