The Universe: Amazing Facts

The Universe - Amazing Facts
  1. The observable universe stretches an astounding 93 billion light-years across, containing over two trillion galaxies, each comprising billions to trillions of stars, and this is just what we can see. The actual size of the universe could be much larger.
  2. Despite its size, we humans are incredibly small. Our entire solar system is just a tiny spec in the grand scheme of things, putting our existence in a humbling perspective.
  3. The universe is approximately 13.8 billion years old, dating back to the Big Bang.
  4. The universe is expanding at an accelerating rate, discovered by astronomers in the late 20th century. This expansion affects everything, including the distances between galaxies.
  5. The universe still carries the faint afterglow of the Big Bang, known as the Cosmic Microwave Background Radiation (CMB). This radiation fills the universe and provides crucial evidence supporting the Big Bang theory.
  6. Roughly 27% of the universe is composed of mysterious dark matter, which doesn’t emit, absorb, or reflect light and interacts with regular matter only through gravity. Its presence is inferred through its gravitational effects on visible matter.
  7. Shockingly, 95% of the universe’s mass and energy is invisible to us!
  8. Black Holes are regions in space where gravity is so strong that not even light can escape. They form when massive stars collapse under their own gravity at the end of their life cycle. Supermassive black holes reside at the centers of most galaxies, including our Milky Way.
  9. Neutron Stars are incredibly dense stellar remnants form when massive stars explode in supernovae. Just a teaspoon of neutron star material would weigh about a billion tons on Earth.
  10. Thousands of exoplanets have been discovered orbiting stars outside our solar system. Some of these exoplanets reside in their star’s habitable zone, where conditions might be suitable for life as we know it.
  11. Some theories in physics suggest the existence of a multiverse, where our universe is just one of many universes with different physical laws and properties.
  12. According to Einstein’s theory of relativity, time can dilate or contract depending on the relative velocity between observers. This means time can move differently for objects moving at different speeds.
  13. Quantum Entanglement phenomenon occurs when pairs or groups of particles become correlated in such a way that the state of one particle instantaneously influences the state of the other(s), regardless of the distance between them. It’s a cornerstone of quantum mechanics and remains a subject of intense study.
  14. Neutron star spins 600 times per second! That’s the incredible speed of a neutron star, the collapsed core of a massive star.
  15. On Jupiter and Saturn, it might rain diamonds! Due to extreme pressure and temperatures, methane gas is thought to convert into liquid diamonds that rain down into their deep interiors.



The people need more peaceful life in this highly technical world. Psytechology is there to help the masses in it.

Prof. Dr. Muhammad Ovais

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