“Every star is a sun as big, as bright as our own. Just imagine how far away from us you'd have to move the Sun to make it appear as small and faint as a star. The light from the stars travels very fast, faster than anything, but not infinitely fast. It takes time for their light to reach us. For the…”
— Ann Druyan, Steven Soter, William Herschel, Patrick Stewart, imdb.com