The Controversy Surrounding The Expansion Of The Universe

There are many disputes and opinions on how the Universe began and whether or not is has a beginning, as well as if whether the Universe is finite or not. Scientists have made many discoveries and came up with many explanations for these questions and arguments. To this day, the Big Bang is the most believed and evidentially supported theory of the beginning of the Universe. This theory shows how the Universe was created and that there was a beginning. This theory was developed by Steven Hawking. Throughout this essay, I will be discussing evidence of the Big Bang such as Cosmic Microwave Background Radiation, mixtures of elements and the expansion of the Universe. There will also be some irrelevant yet relevant topics such as supernovas, dark

Heinrich Olbers stated that the Universe must be finite be. He stated that if the Universe was infinite, you would look at any particular direction in space and you’d always see a star. Although stars appear smaller the further away they are, the light of the star is always present. So if the Universe is infinite then the sky would be lit up with stars. This led him to believe that the Universe must be finite or the sky would be lit up by stars. This theory was incorrect as we now know that because the Universe is continuously expanding that the time of the distant light from stars to reach Earth is also increasing. This means that the only way that this light may reach us is if the Universe stops expanding or if it dramatically slows down its expansion. A theory to prove that the Universe was infinite was developed by Isaac Newton. Isaac Newton discovered gravity and that gravity is always an attractive force. Meaning that if the Universe were finite, then gravity would’ve caused the Universe to collapse on itself by pulling all celestial bodies and elements into one location. The Greek’s also had a belief that the Universe would end in a Big Crunch where essentially the Universe would collapse on itself and then be reborn with a Big Bang. They believed that there was no ending in time but instead time would just reset and the Universe would be

Its main forms of evidence include the expansion of the Universe, Cosmic Background Radiation and the mixture of elements. The expansion of the Universe proves that the Universe may have once been very small, dense and hot and then expanded and still continues to. Mixture of elements also provides evidence The Big Bang predicts how much of each element should have been made in the early Universe and what we see in very distant galaxies and old stars is just right. It suggests that elements are released from supernovas and give us the elements we see today, as well as other elements from outer space formed from these explosions of energy. Cosmic Background Radiation is proof of the Big Bang, as it is the leftovers from the Big Bang. It is believed that in the beginning, the Universe was smaller and hotter and filled with a fog of hydrogen. The magnitudes of shockwaves from the Big Bang created a whirlpool of hydrogen which increased in heat as they span. From this, the first stars were born. In the nucleus of these stars, new elements and atoms were formed. These stars then exploded releasing new elements this caused the Universe to expand. In the nucleus of these stars, new elements and atoms were formed. When it expanded, the radiation became cooler and more atoms began to form. Once these atoms could no longer absorb the radiation, the