Antenna
High-Gain Antenna (Spacecraft)
The main dish on a spacecraft, which focuses its signal into a narrow, high-gain beam that must be pointed accurately at Earth. It carries the high-rate science downlink — for example Voyager's 3.7 m dish.
Related
Sources
The primary and reference sources this topic draws on.
- NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.
- NASA JPLJet Propulsion Laboratory / Solar System Dynamics
Orbital data, ephemerides, and small-body parameters for planets, asteroids, and comets.