Qu'est-ce (qui) est X Anniversarium - définition
X Anniversarium
ALBUM BY ESTOPA
X-Anniversarium
X Anniversarium is the seventh studio album by the Spanish band Estopa. It was released in 2009, marking the band's ten-year anniversary.
X (charge)
TERM IN PARTICLE PHYSICS
X charge; X-charge
In particle physics, the X charge (or simply X) is a conserved quantum number associated with the SO(10) grand unification theory. It is thought to be conserved in strong, weak, electromagnetic, gravitational, and Higgs interactions.
X (The X-Files)
FICTIONAL CHARACTER IN THE X-FILES
Mr. X (The X-Files)
X, sometimes referred to as Mr. X, is a fictional character on the American science fiction television series The X-Files.
