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Published on Sunday, 01 April 2018 11:01

OBU-Rosette NebulaThis image of the Rosette Nebula is based on data obtained as part of the INT Photometric H-Alpha Survey of the Northern Galactic Plane, prepared by Nick Wright, Keele University, on behalf of the IPHAS Collaboration.

The Rosette Nebula is shaped by winds and radiation from the massive stars at its centre. But the central cavity is smaller than would be expected if it arose simply from winds from these stars. Simulations, and data from the ESA observatory Gaia, carried out by researchers at the University of Leeds, suggest that the nebula formed from a thin, disc-like cloud, that focused the winds away from the centre. The models are published by Wareing et al. in Monthly Notices of the Royal Astronomical Society.

This image is published in the April 2018 issue of Astronomy & Geophysics.


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