Dissipation
Dissolution, corruption
Scintillation
Rapid fluctuation of a wave
Marshes
Wetlands
Untenable
Insupportable, unjustified
Cosmography
Science of the universe
Plumage
Bird's feather
Unfathomed
Not completely explored
Peopling
Colonizing, populating
Opaque
Cloudy, dirty
Transient
Fleeting, temporary, momentary