1. The Universe

The Universe is made up of a multitude of galaxies. A galaxy contains many gases, dusts, and stars which revolve around a gigantic black hole. Our galaxy is called the Milky Way.

The Big Bang Theory

In 1929, Edwin Hubble observed that galaxies are moving away from each other. He confirmed Alexander Friedmann’s theory of universe expansion. The most recent observations show the existence of cosmic microwave background radiation dating from 13.7 billion years ago.
The Big Bang is moment zero, the initial point of divergence of the Universe.

The Shape of the Universe

The distribution of matter in the Universe is not uniform. Galaxies are grouped in clusters. Unlike with the stars, the encounter of two galaxies is a frequent phenomenon that disrupts their shape and evolution.
The clusters gather into super-clusters, organised in aligned structures. Their observing this pattern means the Universe can be described as a network of alternating voids and aligned structures.

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