"
Wavelength of the light that we receive from objects moving relative to us becomes a little shorter (bluer) when we approach the source and becomes longer (redder) when we move away from the source. The Doppler Effect. When Earth moves toward a star, the star will appear slightly bluer (only high-tech instruments can measure this) while it will appear redder when Earth is on the other side of the orbit and moves in the opposite direction. This effect proves that Earth has a velocity relative to the stars, similar to aberration. "
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"Space travel of probes has confirmed beyond any possible doubt the order of the planets and the fact that they all revolve around the central Sun. The mission of space probes depends upon highly advanced mathematical computations to fly past or land upon planets and moons in our Solar System. The order of the Solar System with the Sun in the middle cannot be denied with todays technology."
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Heliocentric evidence? - Yahoo Answers
A Navigational Analogy for Metaphysics
© 2001 James M. Maloney
Ptolemy's "geocentric universe" envisioned the Earth at the center of the universe, with the Sun, the
Moon, the planets and the stars all revolving around it. Over the course of several centuries (and at the cost of
several lives), it came to be recognized that the Earth, along with the other planets, revolves around the Sun.
The apparent motion of the stars around the Earth is due to the Earth's own rotation. Of all the natural celestial
bodies, only the Moon revolves around the Earth. Yet from our vantage point on the Earth's surface, Ptolemy's
explanation appears correct.
Despite the very refined understanding that we now possess about the actual motions of the Earth,
Moon, Sun, planets and stars,
the geocentric model still has valid application in at least one area:
celestial
navigation.
Celestial navigation allows a navigator to determine his or her geographical position from timed
observations of celestial bodies, including the Sun, the Moon, and certain stars and planets. In order for the
observation to be useful, it must not only be made with a precision instrument (usually a sextant) but the precise
time the observation is taken must also be known. Based on the time, essential information about the celestial
body being observed is made available to the navigator by means of tables that are commercially available.
The geocentric (Ptolemy) model is the means by which the information in the tables is conveyed. The
tables are devised around a hypothetical construct called the "celestial sphere," on which all the celestial bodies
are located, equidistant from the Earth. The whole sphere is envisioned as rotating around the Earth, so that the
celestial bodies in question have a set of coordinates assigned to them at any given time that will enable the
navigator to use the information.
So, even though we know that the celestial bodies are not equidistant (the Moon is only about 200,000
miles away, while most stars are light years distant) and even though we know that none of those bodies except
the Moon actually revolve around the Earth,
it makes sense, in practical terms, to envision the Universe as
geocentric and to act upon a false assumption
: the celestial sphere.
https://files.nyu.edu/jmm257/public/celestial/mystic-navigator.pdf
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Aircraft and ships use celestial navigation based on the positions of the sun, moon, planets and stars, to determine their position on (or above) the surface of the earth. This is why we teach it to aircraft pilots and ship captains.
- Source: Celestial Navigation instructor, for US Navy and US Merchant Marine
How can it be considered an "incorrect model" if sailors and astronomers have been using it successfully for thousands of years?
oh well....apparently i have an
àgenda` (gasp!)...so examining two
theories IS OUTRAGEOUS.
