Henrietta Swan Leavitt they became an important part of the evidence that "spiral nebulae" are independent galaxies located far outside of our own Milky Way. Thus, Leavitt's discovery would forever change our picture of the universe, as it prompted Harlow Shapley to move our Sun from the center of the galaxy in the "Great Debate" and Edwin Hubble to move our galaxy from the center of the universe. Leavitt's discovery of a way to accurately measure distances on an inter-galactic scale, paved the way for modern astronomy's understanding of the structure and scale of the universe. The accomplishments of Edwin Hubble, the American
A World of Our Own (album) with a couple of compositions, but most of this is traditional folk with far less pop flair than Tom Springfield's songs, such as "This Land Is Your Land," "Allentown Jail," "Just a Closer Walk With Thee," and "You Can Tell the World." A couple early Bob Dylan covers and a version of Ian Tyson's "Four Strong Winds" reinforce the sense of a group whose sound was still more suited for 1963 than 1965, on album at least." Side A Side B A World of Our Own (album) A World of Our Own is the fourth studio album by the Australian