Why is this comparison to stars another example of foreshadowing in romeo and Juliet?

The comparison to stars in Romeo and Juliet serves as foreshadowing because it suggests that Romeo and Juliet's love is destined to be powerful but also doomed, mirroring the tragic fate of stars that burn brightly but eventually perish. This imagery hints at the eventual tragic outcome of the lovers' story, where their love ultimately leads to their deaths.