Planetary Nebula M2-9
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M2-9 is a protoplanetary nebula, which was discovered by Rudolph Minkowski in 1947. It was imaged by the Hubble Space Telescope in the 1990s. The bipolar planetary nebula has a particular form of twin lobes of material that emanates from a central star. Astronomers have dubbed this object as the Twin Jet Nebula because of the shape of the lobes. Its form resembles the wings of a butterfly, for which it is sometimes referred as Wings of a Butterfly Nebula.
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External links
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References
- STScI. Hubble Witnesses the Final Blaze of Glory of Sun-Like Stars. Press release: Space Telescope Science Institute. December 17, 1997.
- Astrophysical Journal. The near-infrared structure and spectra of the bipolar nebulae M2-9 and AFGL 2688: The role of ultraviolet pumping and shocks in molecular hydrogen excitation. Authors: Hora, J. L. & Latter, W. B.sl:Planetarna meglica M2-9