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Future Supernova Is Surrounded By Hydrogen Clouds - Universe Today
The faint green glow you see in that picture is not an early harbringer of Hallowe’en spooks. It’s hydrogen gas clouds found recently nearby W26, a future supernova in the star cluster Westerlund 1. The European Southern Observatory’s VLT Survey Telescope in Chile spotted the hydrogen in the cluster, which has hundreds of huge stars … Continue reading "Future Supernova Is Surrounded By Hydrogen Clouds"