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What is Universe?

The term "universe" generally refers to the entirety of space, time, matter, and energy that exists. It encompasses all galaxies, stars, planets, cosmic structures, and the fundamental forces that govern the interactions between them. The universe is vast and constantly expanding.

The prevailing cosmological model suggests that the universe began with a singularity in an event known as the Big Bang, approximately 13.8 billion years ago. Since then, it has been evolving and expanding, giving rise to the diverse structures observed today.

Our understanding of the universe is based on scientific observations, measurements, and theories, including the theory of general relativity for large-scale structures and the theory of quantum mechanics for the microscopic scale. However, there are still many mysteries and aspects of the universe that scientists continue to explore and seek to understand.

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