Devil Comet’s Water Matches Earth, Strengthening Theory of Cosmic Origins

Aug 23, 2025 - 20:00
Devil Comet’s Water Matches Earth, Strengthening Theory of Cosmic Origins
Astronomers discovered that the water in Comet 12P/Pons-Brooks, known as the “Devil Comet,” is nearly identical to Earth’s. Using ALMA and IRTF data, they mapped cometary water for the first time. The findings bolster the theory that comets delivered water to Earth, enabling life’s emergence.