albedo

coriolis

akmuo

cladonia

ellipses

traversée

still alive

meteors ascendances

virga

particules

erosion

sporophore

excretion

substrat

cidade

specimen

cosmogonie

radiographie

sablier

SOL

sillage

l'envers

concretion

empreinte

fodere

chondrite

vallen

white rabbit

canopée

zibens

c=1/√ρχ

białe

cîme

akmuo

sŭma

amé

topographie

nebbiu

ELLIPSES

Audiovisual sculpture with Nicolas Montgermont
sound system, viédoprojection on a ground structure, 5x5 m, 2016
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Ellipses is a transcript of the harmony of the spheres according to the definition proposed by the astrophysicist Johannes Kepler (XVI c.) in Harmonices Mundi . It is an ancient concept where every planet in the solar system produces a note based on its position in space and its speed of rotation around the sun. The whole creates a universal harmony which is slowly evolving with the celestial movements. In Ellipses the orbits of the planets, dwarf planets and main comets of the solar system are engraved on a ground surface. The current position of each star and the corresponding note are shown on their orbits. The sound associated with each celestial body is a nearly pure frequency played in the exhibition space according to its position in the solar system. This set creates a harmony that is continuously changing depending on the path of the stars. These movements immutable and yet almost imperceptible at our scale is composed the score of a music of the spheres transcribed in real time. The viewer can move here on this structure to test a single agreement corresponding to the present.