In 2011, De Franceschini and Veneziano published the results of their archaeoastronomical studies on the Accademia and Roccabruna in the book Villa Adriana. 44-45 De Franceschini, Veneziano, 2011, pp. Later on, in 2011 he ruled out a connection with the Dies Imperii of Hadrian, August 11th (Castellani, 2011, pp. 124-125).ġ Video of the illuminations in the Accademia of Hadrian's Villa: Ģ Video of the illuminations in the Roccabruna of Hadrian's Villa: The orientation of Roccabruna (298°) differs of about 5 degrees from the azimuth of the sun at sunset of Summer Solstice" (Castellani, 2006, p. In 2006, Vittorio Castellani was dubious about an astronomical orientation, and wrote: "If exists an astronomical connection - but we cannot be certain about it - it would seem more likely a generic connection to summer solstice, with Roccabruna looking towards the direction of the solstitial sun at few degrees of difference on the horizon at the moment of sunset. They also confirmed the astronomical orientation of the Roccabruna building, which was discovered in 1988 by the American architects Robert Mangurian and Mary-Ann Ray (Mangurian, Ray, 2008 Mangurian, Ray, 2011, XVIII-XX De Franceschini, Veneziano, 2011, pp.
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The authors of this article studied Archaeoastronomy at Villa Adriana (Hadrian's Villa1 at Tivoli, Rome), where they discovered the astronomical orientation of the building called Accademia and of the Accademia Esplanade (De Franceschini, Veneziano, 2011, pp. Keywords: Archaeoastronomy, Pantheon Arc of Light, Hadrian's Villa, Mausoleum of Hadrian, Roman religion, Roman Calendar, Emperor Hadrian, Pontifex Maximus, Solstice, Roccabruna, Accademia Also, we will explain why there are no written sources about Roman oriented buildings and their illuminations, producing an ancient and rare documentation: the description of the "Kiss of the Sun". As we will see, this did not happen by chance and had a precise symbolic meaning.
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In all of them we see luminous phenomena which occur only in few set days during the year they correspond to astronomical events such as the Solstices or other important dates of the Roman calendar. In Hadrianic Architecture and the 'Kiss of the Sun'ġ 2 Marina De Franceschini '*, Giuseppe Venezianoġ Independent researcher in collaboration with Astronomical Observatory of Genoa, Via Superiore Gazzo, Genova, GE 16153, ALSSA, Italy E-Mail: 2 Astronomical Observatory of Genoa, Via Superiore Gazzo, Genova, GE 16153, ALSSA, Italy Į-Mail: this presentation we will discuss three Roman monuments of the times of Emperor Hadrian (117138 AD): the Villa Adriana at Tivoli near Rome, the Mausoleum of Hadrian in Rome (now Castel Sant'Angelo) and finally the Pantheon (also in Rome).