How the Moon Formed in a Day Video Watch time under 1 minute September 12, 2025 Image The worst day on Earth may have given us the Moon. Astrophysicist @ErikaHamden-o2q breaks down the giant impact theory, which suggests an object the size of Mars collided with early Earth, liquefying the surface and launching debris that formed the Moon, all in 24 hours. This project is part of IF/THEN®, an initiative of Lyda Hill Philanthropies. Topics Space Sciences Women in STEM Share
