Ask Ethan: Why don't we feel the Universe's expansion accelerating?
Briefly

The Universe's expansion is accelerating, but we don’t feel it on Earth, meaning the forces at play in cosmic scales differ vastly from our local experiences.
Many cosmologists believe that the expansion of the universe is accelerating. This brings forth the misconception that acceleration implies an immediate force acting upon objects.
The first and arguably most important physics equation goes back to Isaac Newton, encapsulating the relationship between force, mass, and acceleration in our understanding of the cosmos.
Read at Big Think
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