A void
Another name for Rub al Khali is the Empty Quarter
vacuum
dense
No, heat does not travel through empty space by conduction because conduction requires particles to transfer heat energy from one molecule to another. In empty space, heat transfer occurs through radiation, where energy is transferred via electromagnetic waves.
vacuum.
vacumn?
You could use: clean, white and vacuous.
Empty space is a vacuum.
Another name for a space shuttle is a spacecraft.
The light waves they reflect travel through empty space but sound waves do not.
The empty set is also sometimes referred to as the "Null" set.
Another name for a space station is an orbital station or an orbital outpost.