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
We Take Care of Our Own We Take Care of Our Own "We Take Care of Our Own" is a song written and recorded by American musician Bruce Springsteen. It is the first single from his album, "Wrecking Ball". The single was released for download through amazon.com and iTunes on January 18, 2012. The song made its live debut on February 12, 2012, at the 54th Grammy Awards. This song was played throughout Barack Obama's 2012 presidential campaign and after his victory speech at his headquarters in Chicago. Sales of the song rose 409% following Obama's speech at the Democratic National Convention. The song was nominated