Lunar Eclipse Phenomena: Modeled and Explained
Anthony Mallama
TL;DR
This paper presents a celestial and atmospheric physics-based model that predicts the appearance and color of lunar eclipses, explaining historical observations and providing future predictions from 2000 to 2050.
Contribution
It introduces a comprehensive model combining celestial geometry and atmospheric physics to predict lunar eclipse phenomena and explains historical observations of umbral shadow enlargement.
Findings
Model accurately predicts eclipse brightness and color.
Provides predicted magnitudes and color indices for 2000-2050.
Explains historical reports of umbral shadow enlargement.
Abstract
A model based on celestial geometry and atmospheric physics predicts the dimming and the color of lunar eclipses. Corresponding visual magnitudes and color indices for eclipses from year 2000 through 2050 are listed. The enlargement of the Earth's umbral shadow reported by observers for over 300 years is explained. The geometrical aspects of the model are the sizes and separations of the Sun, Moon and Earth. Atmospheric effects include refraction, absorption and focusing of sunlight.
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Taxonomy
TopicsHistorical Astronomy and Related Studies · History and Developments in Astronomy