This leads to an important question as to whether the stars appear bright in our night skies because they are nearby or because they are intrinsically bright.
(This; leads; to an important question as to whether the stars appear bright in our night skies) (the stars; appear; because they are nearby or because they are intrinsically bright) (they; are; nearby) (they; are; intrinsically bright)
This the stars they they
leads appear are are
to an important question as to whether the stars appear bright in our night skies
because they are nearby or because they are intrinsically bright
nearby
intrinsically bright