Along with his colleagues, last year Cook had discovered an early-stage cluster of galaxies 11.4 billion light years away, the most distant ever detected. Light from one of the first stars may already have been found with the discovery earlier this year of a gamma-ray burst that exploded when the universe was less than 650 million years old. Such bursts are thought to be caused by high-speed jets of matter spewed out of massive stars when they die, the New Scientist reported.
Epaper
Newsletter
Stocks
Weather
Horoscope
