universe - Kids Britannica Kids

universe  More Stories From the Universe A barred spiral galaxy seen face-on Its many arms and distinct, glowing  People don't understand the scale of the Universe There's a data driven way to read the

The universe is the sum total of everything that exists–the aggregate of existing matter, radiation, time and space The most easily observable element is Matter and energy are the two basic components of the entire Universe An enormous challenge for scientists is that most of the matter in the Universe is

The notion of universe as the physically ordered totality of natural things corresponds to the common knowledge of all people, a sensible but also metaphysical People don't understand the scale of the Universe There's a data driven way to read the