Since we became a ( semi ) intelligent species and started studying the cosmos, humanity has been on a long journey to realizing we are not the center of the universe, the galaxy, or even the Solar System. The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

While disappointing for an egotistical species, this realization has led us to discoveries about the real nature of our universe, or at least models closer to the truth. Though there have been challenges to the idea that the universe is homogeneous and isotropic in all directions, assuming that it is has led us to predictions about the cosmic microwave background (CMB) and the Friedmann–Lemaître–Robertson–Walker (FLRW) metric, which describe an expanding universe, later confirmed in

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