The Big Bang is the currently accepted theory explaining the beginning of the universe. Over time, science has gone through hundreds of accepted theories trying to explain such a complex idea; today we believe we have stumbled upon the correct theory. Although there are those who have their doubts, the Big Bang tells the story of the universe from one step to the next. The Big Bang is considered the beginning of time, and thus it would be pointless to ask what happened before it as all evidence previous to the event is void.

Cosmologists nearly all agree that the cosmos was created ten to twenty billion years ago in a single immense explosion, The Big Bang. Our mighty, complex, living universe began with an instant of immeasurable infintesity. An infinitely dense ball of pure energy, smaller than a gluon of an antiquark of a nucleon of an atom exploded in one tril

Supernovas are the creators of all elements heavier than Iron. They are absolutely necessary for the existence of life. A supernova explosion is a fantastic cataclysm which blows most of the original star to pieces in an energy release much greater than that of a normal star decay. As a supernova explodes it scatters all elements heavier than Iron throughout the universe. Without supernovas, our periodic table would stop at element 26. Chinese astronomers in the year 1054 recorded the explosion of a supernova in our galaxy. After a few days of extreme luminosity (said to be as bright as the planet Venus), the light faded. What is left is the strangely shaped object known as the Crab nebula, consisting of a mass of gas streaking out at high speed from a small object thought to be a neutron star. Today supernovae prove important for many scientific predictions. Ia supernovae are the explosion of carbon-rich white dwarfs. They have become important for the use as "standard candles" that glow with a long constant rate, thus they are referred to as the supersoft supernovae. This is because they do not produce the most heavy elements. They have been used to measure the distance to far galaxies and are crucial for determining the speed and acceleration of cosmic expansion. Ia supernovae are considered to be the most important supernovae, as they have seeded our earth with several heavy elements. About four Ia explosions occur every 1000 years in our galaxy alone. If a carbon-rich white dwarf reaches the Chandrasekhar limit of 1.4 solar masses, shock waves convulse the star and ignite the Carbon at the stars core. Within a few seconds of the explosion, the mass is converted mostly into Nickel as well as other elements ranging from S

Some common words found in the essay are:
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Approximate Word count = 1170
Approximate Pages = 5 (250 words per page double spaced)