Archives: Glossary Terms: 691 terms

Nickel-cadmium rechargable battery.

Near-Infrared Mapping Spectrometer onboard the Galileo spacecraft.

Nanometer (10 m).

Network Monitor and Control subsystem in DSN.

DSN Network Operations Control Center at JPL.

Points where an orbit crosses a reference plane.

Communications mode wherein a spacecraft generates its downlink frequency independent of any uplink frequency.

An aurora is a natural phenomenon that creates bright and colorful light displays in the sky. In the Arctic Circle, ...

A star that flares up to several times its original brightness for some time before returning to its original state.

Non-return to zero. Modulation scheme in which a phase deviation is held for a period of time in order to ...