About this Image
A giant bubble blown by the massive Wolf-Rayet star HD 50896, the pink star in the centre of the image.
X-ray data from XMM-Newton’s EPIC camera are shown in blue, while optical images were acquired using the Michigan Curtis Schmidt Telescope at Cerro Tololo Inter-American Observatory (CTIO) and presented in red (H-alpha) and green (OIII).
The bubble, known as S 308, is about 60 light-years across and is located 5000 light-years away in the constellation of Canis Major.
Credit: ESA, J. Toala & M. Guerrero (IAA-CSIC), Y.-H. Chu & R. Gruendl (UIUC), S. Arthur (CRyA–UNAM), R. Smith (NOAO/CTIO), S. Snowden (NASA/GSFC) and G. Ramos-Larios (IAM)
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