a sink of something emits / silicate / generates / provides that something & a stripe is a sink of sound / sound matter through nuclear relationship ->  a star emits light through nuclear reactions  a star emits light through nuclear reactions & a stripe is a mean of celestial preposition / celestial mind ->  a star is a celestial body that emits light through nuclear reactions  a star is a celestial body that emits light through nuclear reactions & astronomical is similar to celestial -> a star is an astronomical body that emits light through nuclear reactions