The scale of universe: Learn how to compare the sizes of

Learn how to compare the sizes of atoms, molecules, cells, humans, planets, stars, galaxies and the Universe using powers of ten. See a visual depiction of the scale of the Universe starting from 10 million light-years to the atomic nucleus. The Scale of the Universe Zoom from the edge of the universe to the quantum foam of spacetime and learn the scale of things along the way! Press left or right or drag the scroll bar to zoom in and out. Press down to toggle quality. Sequel! Wrong version! Swirly version! Portuguese version Back How big is Estimated Size of the Universe ? Find out on Scale of the Universe , an interactive, educational tool that puts our world into perspective. Compare Estimated Size of the Universe to other similar objects. The observable universe spans an estimated 93 billion light-years, highlighting the vast scale of our cosmic environment. Through scientific exploration, we strive to understand these immense scales , finding our place within the universe 's complex structure.