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Beyond its historical dimension, this
mystery of salvation also has a cosmic dimension: Christ is the sun of
grace who, with his life, "transfigures and enflames the expectant
universe" (cf. Liturgy). The Christmas festivity is placed within
and linked to the winter solstice when, in the northern hemisphere, the
days begin once again to lengthen. In this regard perhaps not everyone
knows that in St Peter's Square there is also a
meridian; in fact, the
great obelisk casts its shadow in a line that runs along the paving
stones toward the fountain beneath this window and in these days, the
shadow is at its longest of the year. This reminds us of the role of
astronomy in setting the times of prayer. The Angelus, for
example, is recited in the morning, at noon and in the evening, and
clocks were regulated by the meridian which in ancient times made it
possible to know the "exact midday".
The fact that the winter solstice occurs
exactly today, 21 December, and at this very time, offers me the
opportunity to greet all those who will be taking part in various
capacities in the initiatives for the World Year of Astronomy, 2009,
established on the fourth centenary of Galileo Galilei's first
observations by telescope. Among my Predecessors of venerable memory
there were some who studied this science, such as Sylvester II who
taught it, Gregory XIII to whom we owe our calendar, and St Pius X who
knew how to build sundials. If the heavens, according to the Psalmist's
beautiful words, "are telling the glory of God" (Ps 19[18]:
1), the laws of nature which over the course of centuries many men and
women of science have enabled us to understand better are a great
incentive to contemplate the works of the Lord with gratitude.
Benedict
XVI Angelus December 21, 2008 with my
contributions |
Solstizio d'Estate 2008 Santa Maria degli
Angeli, conferenza
XVIII settimana Scientifica Nazionale Bisestile ed Equinozio Serie
di Conferenze
Solstizio in Capricorno, December, 22 2007
Conferenza del
Solstizio June, 21 2007
Conferenza dell'Equinozio Santa Maria degli Angeli
September 23, 2007
Corsi 2008
Gerbertus qui et Silvester Musico Astronomo e
Papa (2008)
Gerbert
d'Aurillac 2007 celebrations
Gerbert
2003-2006
10th Italia Korean meeting, Pescara 2007
4th Sino-Italian meeting, Pescara 2007
XXIV IcraNetwork Workshop Pescara 2007
MG11 Berlin, 2006
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