Essays related to
Astronomy
Amateurs and Hipparchos
(
examples of analysis of astrometric data by amateurs
) - 1999
Lucius Tarutius and the Foundation of Rome
(
light on a Roman astronomer friend of Cicero
) - 2000
¿Cuándo murió Jesucristo?
(
dating of Jesus' death by astronomical means
) - 2000
The Invention of the Southern Cross
(
the discovery of the Southern skies
) - 2003
** New **
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