I. Thou shall control the perihellions, and demandeth respect for the opportunity you are offering your audience to taketh a trip across the Universe.
II. Thou shall always weareth thy sunglasses when exiting thy star theater.
III. Thou shall eschew polysyllabic discourse.
IV. Thou shall use analogies and simple, concrete examples.
V. Thou shall not forget to breathe.
VI. Thou shall hold thy laser pointer steady.
VII. Thou shall memorize the placement of the planetarium's equipment and furniture.
VIII. Thou shall develop thine own style.
IX. Thou shall remain open to suggestions and experimentation. As long as thou is having fun, thine audience will too.
X. Thou shall stay on top of current information about the Universe.
XI. Thou shall listen to the questions you are being asked.
XII. Thou shall not be afraid to say you don't know the answer to a question.
XIII. Thou shall make sure everything is set up for the show.
XIV. Thou shall keep thine own sense of wonder alive.
XV. Thou shall communicate to thine audience the wonder and excitement that brought you here.