Home > Agencies & Organisations, Astronomy, Astrophysics, General Astronomy, NASA (National Aeronautics & Space Administration), Stars, X-Rays > NASA Observatories Take An Unprecedented Look Into Superstar Eta Carinae

NASA Observatories Take An Unprecedented Look Into Superstar Eta Carinae


Image Credit:  NASA, ESA, and the Hubble SM4 ERO Team

Image Credit:
NASA, ESA, and the Hubble SM4 ERO Team

Eta Carinae, the most luminous and massive stellar system within 10,000 light-years of Earth, is known for its surprising behavior, erupting twice in the 19th century for reasons scientists still don’t understand. A long-term study led by astronomers at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, used NASA satellites, ground-based telescopes and theoretical modeling to produce the most comprehensive picture of Eta Carinae to date. New findings include Hubble Space Telescope images that show decade-old shells of ionized gas racing away from the largest star at a million miles an hour, and new 3-D models that reveal never-before-seen features of the stars’ interactions.

“We are coming to understand the present state and complex environment of this remarkable object, but we have a long way to go to explain Eta Carinae’s past eruptions or to predict its future behavior,” said Goddard astrophysicist Ted Gull, who coordinates a research group that has monitored the star for more than a decade.

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