VSOP

VSOP can be:

Very Superior Old Pale (a grade of cognac (drink))
Very Small Outline Package (a type of surface-mount integrated circuit package)
V.S.O.P. is a 1977 Herbie Hancock album.
VLBI Space Observatory Programme, a Very Long Baseline Interferometry with space radio telescope.
Variations séculaires des orbites planétaires (a mathematical theory for the calculation of the planet orbits)