It's a bit of a trick question! NASA didn't *discover* Saturn. It was known to ancient civilizations, including the Babylonians and Greeks, who observed it in the night sky with the naked eye.

However, NASA has used numerous technologies to explore Saturn in greater detail over the years. Here are some key examples:

* Spacecraft: The most important technology used to study Saturn are the space probes that NASA has sent to the planet.

* Pioneer 11 (1973): First spacecraft to fly past Saturn, providing close-up images.

* Voyager 1 and 2 (1980-81): Took detailed images and gathered data on Saturn's rings, moons, and magnetic field.

* Cassini-Huygens (1997-2017): Orbited Saturn for 13 years, revealing incredible detail about its atmosphere, rings, and moons, including landing the Huygens probe on Titan.

* Telescopes: Telescopes on Earth and in space have been used to observe Saturn from afar:

* Hubble Space Telescope: Provides incredibly sharp images of Saturn's rings, moons, and atmosphere.

* Ground-based telescopes: Used to study Saturn's atmosphere and magnetic field.

* Instruments: Spacecraft carry a variety of instruments to gather data on Saturn:

* Cameras: To take pictures.

* Spectrometers: To analyze the light from Saturn and its moons, revealing their composition.

* Magnetometers: To study Saturn's magnetic field.

* Radar: To map the surface of Saturn's moons.

So, while NASA didn't discover Saturn, its use of advanced technology has dramatically enhanced our understanding of this amazing planet!