News of the WeekAstrophysics

Galaxies Seen at the Universe's Dawn

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Science  01 Jan 1999:
Vol. 283, Issue 5398, pp. 19-21
DOI: 10.1126/science.283.5398.19b

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Astronomers analyzing data from the Hubble Space Telescope may have shattered previous records for the most distant stars and galaxies. The farthest galaxy spotted until now has a redshift of 5.64, meaning that the expansion of the universe has stretched its light by a factor of 6.64. The new galaxies could have redshifts of 10, meaning they are seen when the universe was only 9% of its current size and probably just a few hundred million years old.