Hello, Lykkers! The story of the universe's birth is one of the most fascinating and profound journeys humankind has ever embarked upon.

In this article, we will take a journey through time, exploring how the universe came into existence, the key events that shaped it, and the theories that continue to evolve as we delve deeper into the origins of everything!

1. The Beginning of Time and Space

The prevailing theory about the universe. According to this theory, the universe began as a singular, incredibly hot, and dense point about 13.8 billion years ago. Before the theory, time, space, and matter as we know it didn’t exist. It’s difficult to even imagine what before means in this context, but the theory marks the beginning of everything.

2. The Formation of Matter: From Particles to Atoms

In the seconds following the theory, the universe was incredibly hot and filled with a soup of fundamental particles—quarks, electrons, and other subatomic components. As the universe expanded and cooled, these particles began to combine to form protons and neutrons, the building blocks of atomic nuclei.

3. The First Stars and Galaxies

After the formation of atoms, the universe continued to expand and cool. For millions of years, it remained mostly a sea of hydrogen and helium gas. Eventually, under the influence of gravity, clumps of this gas began to coalesce, becoming dense enough to ignite nuclear fusion. These clumps of gas became the first stars.

4. The Role of Dark Matter and Dark Energy

The more we learn about the universe, the more we realize that much of it remains a mystery. While stars and galaxies make up the visible matter in the universe, astronomers have discovered that dark matter and dark energy dominate the cosmos.

5. The Formation of the Solar System

Roughly 4.6 billion years ago, one of the countless stars born in the Milky Way was our Sun. Our solar system began to form from a rotating cloud of gas and dust, which gradually flattened into a disk. In the center of this disk, the Sun ignited, while smaller clumps of matter within the disk came together to form planets, moons, and asteroids.

6. What Does the Future Hold for the Universe?

As we look to the future, we know that the universe’s story is far from over. The universe continues to expand, and galaxies are moving farther apart. Scientists predict that in billions of years, this expansion will lead to a universe where galaxies become isolated, with no new stars forming.

With each new scientific breakthrough, we come closer to understanding our place in the cosmos and the incredible forces that have shaped everything we know!

Origins of the Universe 101 | National Geographic

Video by National Geographic