Often called a "pioneer of the distant stars", astronomer Edwin Hubble (1889–1953) played a pivotal role in deciphering the vast and complex nature of the universe. His meticulous studies …

Jan 16, 2025 · A century ago, Edwin Hubble first established that this so-called “spiral nebula” was actually very far outside our own Milky Way galaxy — at a distance of approximately 2.5 …

Jan 17, 2025 · Hubble Space Telescope images of V1 (inset), which was the Cepheid variable star in the Andromeda spiral that allowed Edwin Hubble to measure the spiral's distance and …

Jan 15, 2025 · Edwin Hubble’s observations of V1 became the critical first step in uncovering a larger, grander universe than some astronomers imagined at the time. Once dismissed as a …

May 31, 2012 · Edwin Hubble measured its vast distance by uncovering a variable star that served as a “milepost marker.” Hubble went on to discover the expanding universe where …

6 days ago · Hubble wrote about his discovery to Harlow Shapley, who had argued that the Milky Way encompassed the entire universe. “Here is the letter that destroyed my universe,” …

Jan 15, 2025 · But Hubble determined that V1, located inside the Andromeda "nebula," was at a distance that far exceeded anything in our own Milky Way galaxy. This led Hubble to the jaw …

Dec 26, 2024 · At Mount Wilson, Hubble initially studied reflection nebulae within the Milky Way. However, soon he returned to the problem of the so-called spiral nebulae, objects he had …

Edwin Hubble, for whom the Hubble Space Telescope is named, was one of the leading astronomers of the twentieth century. His discovery in the 1920s that countless galaxies exist …

When Hubble began working in astronomy in 1919, scientists were still debating whether the Milky Way--earth's galactic home--constituted the entire universe, or whether ours was just one of …