An example is observing a bright object, using the dark limb (edge) of the Moon to partially block the light.
(An example; is observing; a bright object) Context(An example is observing,List([0, 23))):(An example; is observing a bright object using; the dark limb (edge) of the Moon; to partially block the light)
An example is observing,List([0, 23))
An example An example
is observing is observing a bright object using
a bright object
the dark limb (edge) of the Moon to partially block the light