Hubble spies stars lighting up the cosmic dawn
Peering into the far reaches of the universe, astronomers have spotted seven galaxies so distant that they appear as they did less than 600 million years after the Big Bang.
Finding so many primordial galaxies allows scientists to pin down crucial questions about the newborn universe, such as when light from early stars and galaxies penetrated the early cosmic gloom.
“It’s the scientific study of Genesis,” says Avi Loeb, a Harvard astronomer who was not involved in the work.
The discovery comes from the hardworking Hubble Space Telescope, which in August and September spent more than 100 hours staring deeply into a small patch of sky.