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
World of Our Own was definitely gonna be the first single from the album. "World of Our Own" was released on 18 February 2002 as the second single from this album. The band described it as a real 'poppy' song. "Bop Bop Baby" was released on 20 May 2002 as the third single from this album. Bonus track "Bad Girls" was intended to be recorded by Luis Fonsi but the band loved the song and eventually recorded it. This is also the first track the band and the co-writer Savan Kotecha become connected. The World of Our Own Tour saw Westlife touring the UK