The first stars may not have been as uniformly massive as astronomers thought Chemistry in the first 50 million to 100 million years after the Big Bang may have been more active than we expected. Astrobitica September 7, 2025 (Last updated: September 7, 2025) 1 minute read Chemistry in the first 50 million to 100 million years after the Big Bang may have been more active than we expected. About the Author Astrobitica Administrator Visit Website View All Posts Post navigation Previous: Mars has a solid core, resolving a longstanding planetary mystery, according to new studyNext: Astronomy or astrology? A quiz of science and stars