At a fundamental level, our Universe is made of particles, forces, interactions, and the fabric of space and time. Spacetime forms the ever-evolving stage on which the play of the cosmos unfolds, ...
From a physics perspective, it's long been assumed that the fundamental constants and the laws of nature really are the same everywhere and at all times. However, one particular dimensionless constant ...
The cosmological constant enters Einstein’s field equations as a uniform energy density permeating spacetime, and its observed value underpins the accelerating expansion of the Universe. This ...
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