Glossary J

A jet is a type of aircraft that is propelled through the air by the force of one or more jet engines. Jet engines work by sucking in air and compressing it in a compressor at the front of the engine.

Jiuquan, formerly known as Suzhou, is a prefecture-level city in the northwesternmost part of Gansu Province in the People's Republic of China.

The Jindalee Operational Radar Network (JORN) is an over-the-horizon radar (OHR) network that can monitor air and sea movements across 37,000 square kilometres (14,000 sq mi)[citation needed].

JPL stands for Jet Propulsion Laboratory. It is a research and development center located in Pasadena, California, and it is managed by the National Aeronautics and Space Administration (NASA).

Juno is a NASA spacecraft that was launched in 2011 to study the planet Jupiter. The Juno mission is the second spacecraft, after Galileo, to orbit Jupiter, and it is the first solar-powered spacecraft to operate at such a distance from the Sun.

In the aerospace context, Jupiter refers to the fifth planet from the Sun in the Solar System and is the largest planet in our solar system. Jupiter is a gas giant and composed primarily of hydrogen and helium.