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 design that was developed and coded by its target audience, namely writers and readers of fanfiction. They wrote that the site serves as a realization feminist HCI (an area of human–computer interaction) in practice, despite the fact that the developers of Archive of Our Own had not been conscious of feminist HCI principles when designing the site. Archive of Our Own Archive of Our Own (AO3) is a nonprofit open source repository for fanfiction (fic) and other fanworks contributed by users. The site was created in 2008 by the Organization for Transformative Works and went into open beta in 2009.