The Universe

Characteristics of the Universe

Based on astronomical observations, what is most likely the shape of the universe?

In recent years, astronomers have gathered data about the shape of the universe in various ways, such as measuring Cepheid variable stars in nearby galaxies, supernova explosions in distant galaxies, and the cosmic microwave background. These observations show that ours is an expanding flat universe, with no net curvature in its length, width, and height.


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