In a reflecting telescope, the objective is a mirror, which reflects the parallel rays of light it collects from an object and focuses them at the focal point where the image is formed.
(the image; is formed; L:the focal point) (the objective; is; a mirror, which reflects the parallel rays of light; L:In a reflecting telescope) (a mirror; reflects; the parallel rays of light it collects from an object and focuses them at the focal point) (it; collects; from an object) (it; focuses; them; at the focal point)
the image the objective a mirror it it
is formed is reflects collects focuses
L:the focal point
a mirror, which reflects the parallel rays of light L:In a reflecting telescope
the parallel rays of light it collects from an object and focuses them at the focal point
from an object
them at the focal point