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Edwin Hubble's Credibility Of The Big Bang Theory

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If it was found out that other galaxies are not moving further, and further away from us quickly. This would cause the Big Bang Theory too lose its credibility. Also if many other pieces of evidence were found out to be untrue , I believe this theory would lose much of its credibility.
The first part of this theory, I will be discussing my main point, which is whether galaxies are moving away from us or not and at what speed. According to Hubble's law, the universe has been expanding since the creation of the universe. Edwin Hubble used the doppler effect to prove his law was correct. “The Doppler effect is the apparent change in frequency or wavelength of a wave”(Website). Hubble determined that they were moving awaying by measuring the redshift. Redshifting is when light from an object is increased in wavelength, also called shifting to the red end of the spectrum. Since, the universe was once a tiny atom and it exploded into the creation of everything we know and was out hotter and more violent than anything ever witnessed by a human , and faster than then millionths of seconds. It make sense that galaxies are still expanding to even this day after 13.8 billion years. This agrees with Newton's 1st law, if something is in motion it will stay in motion …show more content…

“There was nothing more than hydrogen compressed into a tiny volume” (Cain). This is the beginning of Big Bang, it originated as hydrogen and helium were fusing with each other in cooperation with a couple other elements, these are some of the lightest elements. This is called “Big Bang Nucleosynthesis”. Other heavier elements like iron were created later in time, in stars. It occurred under one second after the big bang and ended three minutes later. When astronomers take measurements of hydrogen, helium, and other elements in stars, they will be equivalent to what you would expect to find in a humongous

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