From
Pioneer 11
,
scientists learned that Saturn is mostly
made of liquid hydrogen. The spacecraft’s instruments
recorded temperatures of −292°F (−180°C).
Pioneer 11
also
found the moon Epimetheus and Saturn’s F ring.
Pioneer 11
took this image of Saturn
and Titan. The spacecraft was
1,768,422 miles (2,846,000 km)
from the planet.
18