Our world is where we live, where we grew up. Our world is orbiting the sun. Like our Earth, Mars, Jupiter and others are orbiting the sun. This is how our solar system developed. Again, our favorite galaxy has been formed with thousands of such solar systems. The Galaxy cluster is made up of thousands of such galaxies. Basically this is how we built this space.
But now the question is why a star does not come out of a galaxy?
The simplest answer is gravity which causes a galaxy to pull its star. Which is a very basic answer. If we go a little deeper into the answer to this question, we will see that the answer to this question will be different.
This is exactly what happens if we see in a small size that a satellite is orbiting a planet. Due to the gravity of the planet, the satellite is able to orbit the planet. But if for some reason the orbital speed of that satellite increases, then it can be seen that the satellite will leave the planet. Using the right method, scientists can understand that a galaxy holds its mass and the surrounding stars. But during 1932 a Swiss scientist realized that a galaxy was rotating at a much faster speed than normal. In this condition, the stars in the galaxy will be seen to come out of the galaxy, but it happens to be the exact opposite of what scientists say. No star is going to leave that galaxy.
Scientists have not been able to make a definite decision in this regard. Although no one noticed this at the time, scientists noticed in the 1990s that this was happening to every galaxy, and they thought that there must be something strange about that galaxy that scientists called invisible. Which we do not see but whose presence we feel.
Since then, scientists have not known what these dark matter are made of.
This mysterious thing is still unknown to scientists today. According to scientists, our space is =>
● 70% Dark Energy
● 25% Dark Matter
● 5% visible space
According to many scientists, at the beginning of space, stars did not use hydrogen helium as a source of energy like the stars of today. They used Dark Matter as a source of energy and they were probably billions of times larger than the stars of today. The shots are known as Dark Star.And scientists think that all the big black holes we see today may be the dead form of this dark star.
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