Floating view ports.
The tubular space within an artery is referred to as the lumen. It is the inner open space where blood flows.
This can be referred to as "remaining space" or "available space."
Well, there are lots of types of ports depending on how you use the word "ports". There are airports, shipping ports, port wine, port of call, the windows in a ship are called portals, space ports and the female end of a connection, especially when it is embedded in a larger device like a computer or game console is called a port often times.
I believe the cargo space in ships is referred to as the 'HOLD'
An evacuated space is often referred to as a "vacuum." In scientific terms, a vacuum is a region that contains little to no matter, resulting in significantly reduced pressure compared to the surrounding environment. This condition can be created in laboratory settings or naturally in outer space.
In Space was created in 2004.
Invaders from Space was created in 1964.
Space Wars was created in 1977.
People who travel into space are typically referred to as astronauts.
Pneumothorax.
Space Songs was created in 1959.
An American space traveler can be referred to as an astronaut, as they are individuals trained to travel and work in space.