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
Archive of Our Own Own" by Virginia Woolf. AO3 defines primarily as archive and not an online community. By 2013, the site's annual expenses were about $70,000. Fic authors from the site held an auction via Tumblr that year to raise money for Archive of Our Own, bringing in $16,729 with commissions for original works from bidders. In 2018, the site's expenses were budgeted at ~$260,000. Archive of Our Own runs on open source code programmed almost exclusively by volunteers in the Ruby on Rails web framework. The developers of the site allow users to submit requests for features on the site via a