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Astronomers have discovered a massive molecular cloud, Eos, just 300 light-years from our solar system. Eos, visible as a croissant-shaped structure spanning 40 times the size of the full moon, is primarily composed of molecular hydrogen, the building block of stars and planets. Its proximity allows for unprecedented close-up study of star and planet formation. Detected glowing in the far-ultraviolet spectrum, Eos provides valuable insights into stellar evolution and the composition of interstellar medium. This discovery, detailed in Nature, is a significant step forward in understanding the cosmic lifecycle and the origins of stars and planets.

Prepared by Olivia Bennett and reviewed by editorial team.