The chairs tilt back so that it is easy to look up and watch a movie projected on the ceiling.

VOA: special.2009.03.11

A planetarium is a theater with a rounded ceiling onto which images of the stars and planets are projected.

VOA: special.2010.09.29

In fifteen-oh-eight, Pope Julius the Second asked Raphael to cover the walls and ceiling of some of the Pope's private living areas.

VOA: special.2010.02.03

It had a high,sharply angled ceiling and many windows lining the walls of its one long,narrow room.

VOA: special.2009.08.21

Visitors see wonderful formations hanging from the ceiling and growing up from the floor.

VOA: special.2009.07.20

Others find it frightening. But many people believe that the ceiling of the Sistine Chapel and the "Last Judgment" are the most famous works of art ever created.

VOA: special.2010.02.03

Barbara Klein tells us more. One of the first works in the "Common Threads" exhibit looks like glowing orange cave formations coming out of the floor and ceiling.

VOA: special.2009.07.17

Mothers and pups hang in groups on the ceiling.

VOA: special.2009.12.07

And also places an overall ceiling on the number of warheads that can be deployed on those systems.

VOA: standard.2009.04.08