Astronomers work out when the first stars shone June 24, 2021 at 05:59AMhttps://https://ift.tt/3jnjhvR Called the "cosmic dawn", this period happened between 250 and 350 million years after the Big Bang.

Called the "cosmic dawn", this period happened between 250 and 350 million years after the Big Bang.

from BBC News - World https://ift.tt/3zSPYa4