The mirror is close to the rear of the telescope and light is bounced off (reflected) as it strikes the mirror.
(The mirror; is; close to the rear of the telescope and light is bounced off (reflected) (the telescope and light; is bounced off; T:as it strikes the mirror) (it; strikes; the mirror)
The mirror the telescope and light it
is is bounced off strikes
close to the rear of the telescope and light is bounced off (reflected
T:as it strikes the mirror
the mirror