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At this time, the Universe was estimated to be infinitismal and have a size of 300,000 light years.
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Professor Stanley Eddington declared that Einstein and Newton's theory of starlight bending from gravity is correct after observing the stars near the Sun during a solar eclipse. Also, Wilson found that globular star clusters which orbit a center of gravity.
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Dr, Shapely used observations of globular star clusters made with the 60 inch telescope at the Mouint Wilson Observatory. He found a common center of gravity in which the clusters were orbiting.
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At this time, scientists predicted that the universe was about 2 billion years old and 280 million light years big.
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Dr. Hubble found that the Andromeda Galaxy was 900,000 light years away. Therefore, it is outside the Milky Way Galaxy. Also, the speed-distance relationship between galaxies was discovered.
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Dr. Hubble previously measured the red shift of severel nebulae; and found they were all moving away from us,
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The age in 1955 was estimated to be about 6 billion years old. The size was estimated to be about 4-8 billion light years.
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Walter Baade discovered that the Universe was twice as large as previously thought. Also, two star types were discovered: Type 1 and Type 2.
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Walter Baade used the Hooker telescope to take images of the Andromeda Galaxy.
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The age was thought to be 10-25 billion years old. The size was thought to be about 25 billion light years.
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Arno Renzias and Robert Wilson discovered Cosmic Background Radiation, or CMB, that was left over from the Big Bang.
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Discovered Cosmic Background Radiation.
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The age was estimated to be about 12-20 billion years old. Also, the size was thought to be about 30 billion light years.
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The Inflation Theory was thought up, which reimagined the Big Bang Theory. Also, Dark Matter was discovered.
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Discovered two stars orbiting each other.
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The age of the Universe at this time was estimated to be 13.7 billion years old. The size was estimated to be about 94 billion light years.
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Discovered more information about CMB (Cosmic Microwave Background). Which is remaining light from the beginning of the Universe; as seen today.
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CMB was discovered and explored thoroughly.
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