Stronger gravity in the early universe may solve a cosmological puzzle

The inflationary epoch that caused our universe to expand rapidly in its early days may be connected to the modern age of dark energy, thanks to a phantom component of the cosmos that changes the strength of gravity as the universe evolves, proposes a physicist in a new role.

The traditional approach to understanding. gravity involves Einstein’s famous general relativity theory. For such a powerful idea, which can explain everything from the orbit of Moon to the evolution of the entire universe, it’s a fairly simple concept. In general relativity, there is only space-time and the contents within it. The contents of the cosmos cause space-time to bend and warp, and the curvature and warping of space-time dictate how the contents must move.

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