Life on Mars
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A 7 page paper which argues that there was, at least during some time in the past, life on the planet Mars. This subject is causing a great deal of controversy in the past few years, with just as many arguing that there is life, as there is not. The evidence presented illustrates that the possibility of life, in regards to Mars, is far more likely than not. Bibliography lists 8 sources.
Filename: RAmars.wps

The Phenomenon of the Aurorae
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This 15 page paper provides an overview of the phenomenon called the aurorae. This paper outlines the history of the discovery, the basic elements involved in the formation, the different types, and the nature of the aurora borealis, or northern lights. This paper also considers recent discoveries and the rationale behind emerging interest in these astronomical phenomena. Bibliography lists 10 sources.
Filename: MHAurora.wps

Three Models of the Universe: A Comparison of the Theories of Ptolemy, Copernicus and Hipparchus
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A 5 page discussion of the heliocentric theory verses the geocentric theory in astronomy. Compares the early attempts at mathematical modeling and explains how the heliocentric theory is supported by such modeling while early attempts at modeling the geocentric theory were flawed. Bibliography lists 6 sources.
Filename: PPastMdl.wps