Mysterious Cosmic Cloud Discovered Near Earth May Hold Clues to Our Galactic Origins

2025 m. gegužės 3 d., 03:17

Eos, an immense crescent of gas and dust, is the closest known interstellar cloud, located 300 light-years beyond our solar system. Weighing 5,500 times the mass of the sun, Eos was discovered by targeting molecular hydrogen, revealing its presence using far-ultraviolet glow detected by the STSAT-1 satellite. Despite a size 40 times the width of a full moon, Eos lacks...