Lyman-alpha nebulae News

Latest Articles

• Massive Census of Early Universe Hydrogen Halos Increases Known Count Tenfold to Over 33,000

  Published: Apr 6, 2026

  Section: Innovations in Space

  Astronomers using the Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) have identified tens of thousands of "Lyman-alpha nebulae"—massive hydrogen gas reservoirs surrounding...