Article in the New Yorker about images of three small galaxies in the act of merging only 900 million years after the Big Bang. The early primitive stars in these galaxies contain only hydrogen, helium and a small amount of lithium made in the Big Bang. Other elements were made inside of stars.

  • Used by people who call the work: Cosmic Evolution
  • Keywords: formation of galaxies, element formation
  • Why I love this Resource: As Michael Lemonick say, "For astronomers, finding the first stars would be the equivalent of biologists finding the first organisms that arose on Earth."
  • Link to Resource: Click here
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  • Posted By: Jennifer Morgan
  • Date Added: December 1, 2013