SciencePhoto: Science DailyAstronomers Precisely Measure Helium from Universe's First Five Minutes
Scientists have made a breakthrough by precisely measuring the helium formed in the Universe's first five minutes after the Big Bang. Using a powerful telescope, an international team studied 15 pristine galaxies that serve as cosmic time capsules, preserving clues from nearly 13.8 billion years ago, shedding new light on the Universe's earliest moments.
Science Daily·



