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  • The Big Bang Model
    1,202 words
    It is always a mystery about how the universe began, whether if and when it will end. Astronomers construct hypotheses called cosmological models that try to find the answer. There are two types of models: Big Bang and Steady State. However, through many observational evidences, the Big Bang theory can best explain the creation of the universe. The Big Bang model postulates that about 15 to 20 billion years ago, the universe violently exploded into being, in an event called the Big Bang. Before ...
  • Universal Black Hole
    1,091 words
    The End of the Universe There are many theories predicting how the universe will end. These theories are based on one four basic principles. The first principle being that the universe continues in an endless cycle. The next is that the universe will stay at its current size. The third is the universe will continue to expand endlessly. The final principle, states that the universe will collapse on itself. The first theory is based on the fact that the universe is oscillating. The universe curren...
  • Strong Thermodynamic Arrow Of The Expanding Universe
    787 words
    The Second Law of Thermodynamics The Second Law of Thermodynamics has several variations. One version says that some heat is always wasted when converting heat into mechanical energy. In other words all heat can not be completely converted into mechanical energy. Another states that heat normally flows from high to low temperatures. So why do hot cups cool off, well the answer lies in the fact that the universe is expanding. Say the universe started off infinitely small and infinitely dense, the...
  • Big Bang Theory The Universe
    962 words
    The big bang is an vital scientific theory about the origin of the universe. It occurred about 15 to 18 billion years ago. It marked the instantaneous creation of all matter in the universe. The explosion that took place was not a normal explosion; starting as a point of infinite density, thus called the "primordial nucleus". It expanded at speeds equal to and even greater then light. However, according to the Big Bang theory, the universe will continue to expand for billions of years. The galax...
  • Theory Of An Expanding Universe
    1,427 words
    The "Big Bang" theory of the origin of the universe is a controversial yet widely accepted theory in the creation of the universe to it's present form. Dating back in history, the groundwork of famous scientists and their theories helped to develop the Big Bang theory to what is stands as today. Special note goes to that of Friedmann, Hubble and Einstein who all played major roles in the establishment of this theory and are all included in this essay. Other points that constitute this essay incl...

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