This photo is right side up—the projector is mounted at an angle.

This photo is right side up—the projector is mounted at an angle.

How many planetarium people does it take to change a light bulb?

If we’re talking about the bulbs in the projectors that run Morehead’s planetarium shows, the answer is 3:

  • 1 person to crawl into tiny spaces behind the walls of the planetarium theater and crouch for minutes at a time while dealing with hard-to-reach screws and bolts.
  • A 2nd person to keep parts of the projector from falling onto the 1st person’s head.
  • A 3rd person to ferry tools back and forth and to entertain the first two people by attempting (and completely failing) to come up with good light bulb jokes.

3 is also the number of hours it takes to change the four bulbs in the two projectors.

Careful! Each bulb costs $1,650. And can explode if not handled correctly.

Careful! Each bulb costs $1,650. And can explode if not handled correctly.

It takes 3 people to change the bulbs and then many thousands of visitors to enjoy the results.



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