The Scale of the Universe

Explore space, compare sizes and play science quizzes, from atoms to galaxies.

Explore the scale of the universe, from tiny particles to enormous galaxies. Discover how objects compare in size through an interactive science explorer, quick quizzes and guided journeys.ZOOM FROM SMALL TO LARGEMove through 62 orders of magnitude with drag, pinch and scale controls. Explore 318 objects, including DNA, cells, humans, planets, stars and galaxies.COMPARE AND DISCOVERSee the scale of the universe thro…