The question of why the sky is dark at night, while seemingly simple, can lead to profound insights about the universe, challenging our understanding of its structure.
Historically, astronomers believed in an infinite universe, static and unchanging. This perspective shaped their understanding of the night sky and its darkness.
The idea that the universe could be dynamic and not infinite was a radical shift, prompting new questions about light, distance, and the vastness of space.
Even with tiny background sources of light, such as distant stars and galaxies, the cosmological darkness of the universe begs deeper inquiry into its nature.
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