Archive for January 28th, 2013

January 28, 2013

Maps are false

by Neil Rickert

This is intended as a companion to my recent post “Kepler’s laws are false.”

I have, in front of me, a Rand McNally road atlas of the Chicago area.  It is a few years old, so a tad out of date.  But it is not that “out of date” aspect that I will be discussing.

I am currently looking at the part of the map that covers near where I live.  I see that some of the roads are red in the map.  But when I drive on those roads, they are the same gray/black color as most of the other roads (such as the ones shown as yellow or white in the map).

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January 28, 2013

HSW – Kepler’s laws are false

by Neil Rickert

While my title line might seem dramatic, I want to be clear that this post is not intended as a criticism of Kepler, or of Kepler’s laws.  Rather, it is critical of the view that scientific laws are true descriptions of the world.  This post is intended as part of my series on how science works.  My aim is to describe my own understanding of Kepler’s laws.

The basis of Kepler’s laws

In case some of my readers are not familiar with them, Kepler’s laws are an attempt to account for the motion of the planets in our solar system.  Kepler’s laws were preceded by the Ptolemaic idea that the planets moved in cycles and epicycles.  Galileo argued, instead for the idea of Copernicus, that the planets traveled in circular paths around the sun.  I presume that Kepler was looking for something a little more precise than the Copernican circles.

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