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Many planetary nebula, such as M 2-9 shown here in this Hubble image, are bipolar, that is have two lobes to each side of the central star. We don't have a clear idea on why this happens. https://octodon.social/media/lnQC6wZJSj9ExCE8yM4
@evilscientistca @DialMforMara
Exciting! :)