News of the WeekAstrophysics

Distant Galaxy Heralds End of Dark Ages

Science  22 Mar 2002:
Vol. 295, Issue 5563, pp. 2194-2195
DOI: 10.1126/science.295.5563.2194

You are currently viewing the summary.

View Full Text

Via your Institution

Log in through your institution

Log in through your institution


After the big bang and the scorching fireball that followed it faded, the infant universe fell into what cosmologists call its Dark Ages. Light returned half a billion years later, when galaxies formed and the first stars ignited. Now a team of astronomers claims to have seen a galaxy--the most distant object ever detected--that pushes back the date when the Dark Ages ended and may imply that they were not so uniformly dark after all.