Southern Neptune

Neptune, the Solar System's outermost gas giant planet, is 30 times farther
from the Sun than Earth. Twelve years after a 1977 launch, Voyager 2 flew by Neptune
and found surprising activity on a planet that receives only 3 percent as much sunlight.
as Jupiter In its brief but tantalizing close-up glimpse of this dim and distant world,
the robot spacecraft recorded pulses of radio emission, zonal cloud bands, and large
scale storm systems with up to 1500 mile per hour winds - the strongest measured
on any planet This mosaic of 5 Voyager images shows Neptune's Southern Hemisphere.
Cloud bands and the Earth-sized, late "Great Dark Spot" with trailing white clouds
located at about 22 degrees southern latitude are clearly visible. The distance from
the Great Dark Spot feature to Neptune's South Pole (image center) is about 17,000 miles.