the halo of the galaxy

In this artist's illustration, light from a distant quasar passes through the halo-like halo of a galaxy's circumgalactic medium on its way to Earth, where it is measured by the Hubble Cosmic Source Spectrograph to determine the composition of the halo. Credit: NASA/ESA/A. Field

The carbon in our body apparently went out into the halo of the galaxy and returned on a "cosmic conveyor belt"

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