Source: www.schneier.com – Author: Bruce Schneier HomeBlog Friday Squid Blogging: Squid Nebula Pretty photograph. The Squid Nebula is shown in blue, indicating doubly ionized oxygen—­which is when you ionize your oxygen once and then ionize it again just to make sure. (In all seriousness, it likely indicates a low-mass star nearing the end of its […]
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