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Star Formation at ‘Cosmic Dawn’

30 May 2018, 16:26 UTC
Star Formation at ‘Cosmic Dawn’

ALMA (ESO/NAOJ/NRAO), NASA/ESA Hubble Space Telescope, W. Zheng (JHU), M. Postman (STScI), the CLASH Team, Hashimoto et al.

When life first arose in the universe is a question to which we have no answer. A key problem here is that without knowing how rare — or common — life’s emergence is, we can’t draw conclusions about where (or when) to find it. One thing that is accessible to us, though, is information about when stars began the process of producing the elements beyond hydrogen and helium that are constituents of our own living systems. And on that score, we have interesting news from an international team of scientists about extremely old galaxies.

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