[Article] New discoveries about the birth, life, and death of the sun and other stars Adjust Share This hydrogen universe (part I) By George W. (George William) Gray, This article is only available as a PDF to subscribers. Download PDF Tags Andromeda Galaxy Interstellar hydrogen Mount Wilson Observatory (Calif.) Nebulae Observations Palomar Observatory (Mount Palomar, Calif.) Photographic measurements Stars Sun More from George W. (George William) Gray Which scientists win Nobel prizes? New discoveries about the cosmos Stars forming, burning, and dying (part II) Adjust Share