cosmic dawn universe ended 1 1 billion years after big bang new study reveals cosmic dawn

Analyzing light from some distant objects in space, a team of astronomers have presented a clearer picture of one of the key events in the formation of our universe. It turned out that the cosmic dawn ended a lot later than the astronomers had thought. After the Big Bang explosion set the stage for the formation of the universe, it remained covered under Hydrogen for millions of years. This hydrogen then gradually began to disappear as light from newly formed stars and galaxies ionized and tore it apart. This period is…