You have several choices: A simple device called a planisphere shows the bright stars and constellations and can be adjusted for different seasons.
(A simple device; called; a planisphere) (A simple device called a planisphere; can be adjusted; for different seasons) (A simple device called a planisphere; shows; the bright stars and constellations) Context(A simple device called a planisphere shows,List([26, 68))):(You; have; several choices)
A simple device called a planisphere shows,List([26, 68))
A simple device A simple device called a planisphere A simple device called a planisphere You
called can be adjusted shows have
a planisphere
for different seasons
the bright stars and constellations
several choices