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Back Complex organic molecules form quickly in old stars

Complex organic molecules form quickly in old stars



One of the ISO spectra of proto-planetary nebulae, IRAS 22272+5435, showing several examples of aromatic and aliphatic features.
N.B. This is not the same object as in the HST picture below (which is another proto-planetary nebula, The Water Lily Nebula
Last Update: 1 September 2019
19-Feb-2026 06:57 UT

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