frozen_water
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- Posted: Fri, 25 Jan 2013 17:14:23 +0000
Doubtful Dreamer
So, having read the OP, I am a bit confused as to approach this as "science" is defined as "field of study." In this case, of course science is subjective because many fields of study are based entirely upon subjectivity [for example, the field of literary criticism]. So, I will address this from the position of the hard sciences, those which apply the scientific method to physical systems.
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To this extent, the goal of the science is not to portray truth, but rather present a model which asymptotically approaches the behavior of the observed universe. Thus, if the universe is objective, then these sciences should approach objectivity through ever refined models of the universe.
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Is it entirely objective at this time? Well, no as people are rather willing to lie about or make up results in order to advance pet theories. Many such instances are caught, but some make it through as a result of the sheer amount of scientific data there is.
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Now, turning to some of the examples the OP has used that I have seen:
1.) The idea of dry ice being "cold" vs. "hot" is entirely subjective because cold and hot are not absolute terms and are thus not a scientific description of the object. It would work as a very crude science, but things have been refined and thermodynamics gives a rather exact method for ranking the thermal energy of dry ice. It will not tell you whether it is cold or hot, but it will tell you that it has a given temperature on an absolute scale and thus is relatively "warmer" or "colder" than other objects on the same scale.
1.) The idea of dry ice being "cold" vs. "hot" is entirely subjective because cold and hot are not absolute terms and are thus not a scientific description of the object. It would work as a very crude science, but things have been refined and thermodynamics gives a rather exact method for ranking the thermal energy of dry ice. It will not tell you whether it is cold or hot, but it will tell you that it has a given temperature on an absolute scale and thus is relatively "warmer" or "colder" than other objects on the same scale.
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2.) Heliocentrism vs. geocentrism is a tad trickier as the geocentric model could be continually modified to more accurately account for orbital motions, but there are several other phenomena which the theory must contend with other than stellar motion. For example,gravitational forces would be rather screwy by the assertion that the Earth is stationary as the mass of extraterrestrial bodies is measurable. Another problem is that we can now measure the velocity of the solar wind at different planets in the solar system and observe that all the planets must either orbit the sun or be orbited in a way similar to the Earth. Since this is not possible through the addition of epicycles to a geocentric model, but is possible with the heliocentric model, the geocentric model is demonstrably false.
Obviously doing so would be silly as we have a working model in place, but the point of that second point is just to demonstrate Undertermination, not to advocate using the geocentric model.