International Space Station

Front

What is the speed at which the International Space Station travels?

Back

17,150 mph

Front

In what year did the construction of the International Space Station begin?

Back

1998

Front

When can the crew of the International Space Station communicate with Earth?

Back

Any time they need to

Front

What are the doors called that astronauts use to exit the ISS for spacewalks?

Back

Airlocks

Front

What are the individual parts that make up the International Space Station called?

Back

Modules

Front

What is the primary purpose of the International Space Station?

Back

To serve as a microgravity and space environment research laboratory.

Front

How many countries are involved in the International Space Station program?

Back

15 countries.

Front

What is the average altitude of the International Space Station above Earth?

Back

Approximately 420 kilometers (about 261 miles).

Front

What type of research is conducted on the International Space Station?

Back

Scientific research in various fields including biology, human biology, physics, astronomy, and meteorology.

Front

How long does it take for the ISS to orbit the Earth?

Back

About 90 minutes.