What is the structure of the Universe? Geometry of spacetime

The Einstein equation predicts several possible ways for the Universe to evolve in time and space. What are these predictions, and how do they

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How Old is the Universe? (All Calculations so far)

A Bible-based assumption of a few thousand years was made by Isaac Newton. Einstein believed in a World that was

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Matter and Energy

Everything in this universe is manifested to our eyes and instruments in two well-known forms: matter and energy. This simple

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Classical Physics vs Quantum Physics- The major Difference

What is the difference between classical physics and quantum physics? Physics that studies and explains the phenomena that occur in

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