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Earliest Galaxy Ever Detected
Infant Universe More Active Than Thought?

Nov. 1, 2013 — In a major new survey of the early universe conducted from the NASA’s Hubble Space Telescope, University of Massachusetts Amherst astronomer Mauro Giavalisco and colleagues at several other institutions identify the most distant, thus the earliest galaxy ever detected.EarliestGalaxy

The surprise finding of a young galaxy from a survey that was not designed to find such bright early galaxies suggests that the infant universe may harbor a larger number of intense star-forming galaxies than astronomers believed possible.

This study moves science closer to answering a long-standing mystery about how cosmic re-ionization proceeds. If the theory of the Big Bang is correct, we must see the recombination of the ionized plasma into a neutral gas, or re-ionization.”

The story is based on materials provided by
University of Massachusetts at Amherst

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