“So, the universe is absolutely huge. Imagine yourself driving down a road…” Thus starts this playful and information-packed four minute journey through the universe.
Created by the Royal Observatory in Greenwich. Spectacularly illustrated.
The shape of the universe is determined by a struggle between the momentum of expansion and the pull of gravity. The rate of expansion is expressed by the Hubble Constant, Ho, while the strength of gravity depends on the density and pressure of the matter in the universe.
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