NASA’s Hubble Uncovers Case of Missing Oxygen in Nearby Dwarf Galaxies

NASA’s Hubble studied 37 nearby dwarf galaxies and found that much of the oxygen they expected to see is missing.

哈勃望远镜对37个近邻矮星系的观测显示，恒星产生的氧大部分被超新星驱动的星系风抛射出星系，留存比例远低于理论模拟的预期。研究以氧作为重元素示踪物，揭示矮星系在宇宙物质循环中的角色。