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
From Our Own Correspondent From Our Own Correspondent From Our Own Correspondent is a weekly BBC radio programme in which a number of BBC foreign correspondents deliver a sequence of short talks reflecting on current events and topical themes in the countries outside the UK in which they are based. The programme offers the BBC's correspondents around the world a chance to give a personal account of events from the epoch-making to the inconsequential. "From Our Own Correspondent" is broadcast in two editions – one on the BBC World Service and one on BBC Radio 4 – and the programme was one of the