21st February
By: Haris Ahmad
Our Universe is a boundless vacuum that stretches over a distance of billions of light-years and it consists of countless types of celestial bodies. Modern technology and complex mathematical equations have helped humans to understand the Universe to a great extent, however, there are still many mysteries that are unsolved. In this blog series, I'll highlight some of the mysterious phenomena in the Universe. I will start with Dark Matter.
The known universe is composed of 5% normal matter, in the form of stars, planets, asteroids, galaxies, and Nebulae, etc. However, 25% percent of the universe is made up of Dark Matter. This type of matter is invisible to our eyes and is basically, a postulated form of matter that interacts with its surrounding space through gravitation. The existence of this type of matter was predicted through its effect on normal matter. Scientists calculated and derived the fact that galaxies just weren't having enough gravitational force to maintain their spiral and elliptical shapes and therefore, it suggested the fact that something mysteriously hidden was the culprit behind this mystery. Hence, due to the fact that there is not much knowledge about this type of matter, scientists on Earth named it Dark Matter.
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