Compared to Jupiter, Saturn's atmosphere is more uniform with no significant variation in color in the lower cloud levels. much
thicker causing the visibility of the lower layers to be reduced. more calm with fewer disturbances or storms. more violent with larger storm phenomena easily viewed from Earth. more colorful with variations in color easily viewed from Earth.
It has changed because earlier in the days people couldn't even figure out if the world was flat or round but now we can add decimals and multiply fractions.