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A false-color image of the star AE Aurigae, embedded in a dusty region of the Milky Way, contains common carbon-rich dust grains that may be one of many places in the galaxy hiding deuterium, a "tracer" of star and galaxy formation. Credit for image: NO

A false-color image of the star AE Aurigae, embedded in a dusty region of the Milky Way, contains common carbon-rich dust grains that may be one of many places in the galaxy hiding deuterium, a "tracer" of star and galaxy formation.   Credit for image: NO