cosmology

/kɑzˈmɑlədʒi/
noun
  1. The scientific study of the origin, structure, and development of the universe.
    • She is taking a class on cosmology to learn about the Big Bang.
    • Modern cosmology uses telescopes and satellites to map distant galaxies.
    • His interest in cosmology began when he first saw a photo of the Milky Way.
  2. A particular theory or model of the universe and its laws.
    • Ancient Greek cosmology placed Earth at the center of everything.
    • Each culture has its own cosmology that explains how the world was created.
    • The new cosmology suggests that dark energy is accelerating the expansion of space.
What does "cosmology" mean? | whatsthatwordmean | whatsthatwordmean