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Image courtesy of M. A. Guerrero (IAA-CSIC) and ESA.
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About this Image
XMM-Newton and Hubble Space Telescope color composite images of NGC 2392, the Eskimo Nebula, a planetary nebula located some 4,000 light-years from Earth in the constellation of Gemini. The Eskimo Nebula is a complex shell of ionized gas that formed the outer layers of a Sun-like star a few thousand years ago. This image shows the location of the hot, X-ray-emitting gas (blue in the image) relative to the cool, ionized nebular shell seen in optical wavelengths (Hα in red and [N II] in green). The origin of the hot gas in the central cavity of the Eskimo Nebula is unclear as it can be produced either by the interaction of a fast stellar wind with the nebular shell or by the action of fast collimated outflows. The XMM-Newton image was obtained by a team led by Y.-H. Chu (University of Illinois, USA) and the Hubble Space Telescope images were taken as part of the Hubble Space Telescope Servicing Mission 3a Orbital Verification.
Investigator(s): Y.-H. Chu, M.A. Guerrero, R.A. Gruendl, M. Meixner
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