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 A World of Our Own "A World of Our Own" is a 1965 single written by Tom Springfield and was an international hit for the Seekers. The single peaked at number 19 on the Hot 100 and number 2 on the Easy Listening charts. Three years later, "A World of Our Own" was recorded by Sonny James' and it was his sixth number one in a row, and 26th hit on the U.S. country music chart. The single spent three weeks at number one and a total of 15 weeks on the chart. The song was translated into Cantonese and