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Thread: Theories

  1. #1 Theories 
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    Anyone understand parallax?


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    Forum Radioactive Isotope cosmictraveler's Avatar
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    The apparent displacement or the difference in apparent direction of an object as seen from two different points not on a straight line with the object; especially : the angular difference in direction of a celestial body as measured from two points on the earth's orbit.


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    Forum Freshman flodnag's Avatar
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    Its the basis of our measurement foundation that we use everyday to measure distances.
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    Forum Radioactive Isotope cosmictraveler's Avatar
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    If you are speaking of celestial measurements yes they use this.
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    Something to do with constipation?
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    Forum Freshman jgmaynard's Avatar
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    When Hipparchus first postulated a heliocentric unverse, the idea of parallax was used as "proof" against it...... Little did they know how small the size of the Earth's orbit is around the Sun compared to the distance to even the nearest stars........

    JM
    Now available! The Light of Alexandria by James Maynard. A history of the first 1,000 years of science and how it helped to shape Greece, Rome and our world today.
    http://www.lightofalexandria.com
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