Spiral galaxies are axisymmetric objects showing 2D chirality when projected onto a plane. Features in common with tetrahedral molecules are pointed out, in particular the existence of a preferred chiral modality for genetic galaxies as in amino acids and sugars. Environmental effects can influence the intrinsic chirality of originally isolated stellar systems so that a progressive loss of chirality is recognized in the Hubble morphological sequence of galaxies.
Spiral galaxies as enantiomers: chirality, an underlying feature in chemistry and astrophysics
LATTANZI, Alessandra
2006-01-01
Abstract
Spiral galaxies are axisymmetric objects showing 2D chirality when projected onto a plane. Features in common with tetrahedral molecules are pointed out, in particular the existence of a preferred chiral modality for genetic galaxies as in amino acids and sugars. Environmental effects can influence the intrinsic chirality of originally isolated stellar systems so that a progressive loss of chirality is recognized in the Hubble morphological sequence of galaxies.File in questo prodotto:
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