[[A person is giving a lecture in front of a white board, pointing to a diagram with a pointer.]]
Lecturer: The occulting observatory consists of two parts -- the telescome and the discs.

When the telescope sees a star, a disc is carefully steered to block its light.
[[A diagram of a satellite (labeled "telescope") with waves going from it on the left, across to the other side of the diagram (labeled "light from star") on the right. In the middle is a small vertical line (labeled "disc"), stopping some of the light waves from the right traveling to the left of the diagram.]] 
This procedure is repeated until all stars are covered.

[[The lecturer looks down at a student.]]
Student (off screen): Wait, 
all?
 Why?
Lecturer: I'll feel better.

[[Close-up on lecturer.]]
Student (off-screen): I thought the point was to image extrasolar planets.
Lecturer: The point is that there are 
too many stars.
 -- It's been freaking me out.
Student: What?
Student#2 (in smaller letters): He has a point...

{{Title text: Type II Kardashev civilizations eventually completely enclose their planetary system in a Dyson sphere because space is way too big to look at all the time.}}