Astronomers have used ground-based telescopes for the first time to peer back 13 billion years in time to observe the universe when the first stars first lifted the cosmic darkness.
This period, around 800 million years after the Big Bang, is…
Astronomers have used ground-based telescopes for the first time to peer back 13 billion years in time to observe the universe when the first stars first lifted the cosmic darkness.
This period, around 800 million years after the Big Bang, is…