Many sea-faring cultures used bright stars...and constellations that help you remember the bright stars...to navigate their ships at night.
(Many sea-faring cultures; used; bright stars...and constellations that help you remember the bright stars...) (bright stars...and constellations; help; you remember the bright stars) Context(bright stars ... and constellations help,List([30, 73))):(you; remember; the bright stars...to navigate their ships at night)
bright stars ... and constellations help,List([30, 73))
Many sea-faring cultures bright stars...and constellations you
used help remember
bright stars...and constellations that help you remember the bright stars...
you remember the bright stars
the bright stars...to navigate their ships at night