From the andes to the beginning of time: Telescopes detect 13-billion-year-old signal
2025-06-11
For the first time, scientists have used Earth-based telescopes to look back over 13 billion years to see how the first stars in the universe affect light emitted from the Big Bang. Using telescopes high in the Andes mountains of northern Chile, astrophysicists have measured this polarized microwave light toContinue Reading