UCLA astronomers have made the first Accurate Measurement of the abundance of Oxygen in a distant galaxy. Oxygen, the third-most abundant chemical element in the universe, is created inside stars and released into interstellar gas when stars die. Quantifying the amount of oxygen is key to understanding how matter cycles in and out of galaxies. Galaxy COSMOS-1908 is in the center of this Hubble Space Telescope image, indicated by the...

[[ This is a content summary only. Visit my website for full links, other content, and more! ]]