Cloud condensation nuclei
Videos
Cloud condensation nuclei, also known as cloud seeds, are small particles typically 0.2 μm, or one hundredth the size of a cloud droplet. CCNs are a unique subset of aerosols in the atmosphere on whic
Phytoplankton bloom in the North Sea and the Skagerrak – NASA
Volcanic ash and gas emissions from Alaska's Pavlof Volcano —NASA
Contrail
Videos
Contrails or vapour trails are line-shaped clouds produced by aircraft engine exhaust or changes in air pressure, typically at aircraft cruising altitudes several kilometres/miles above the Earth's su
Cloud condensation nuclei
…Bergeron process Contrail Evapotranspiration…
Contrails of a Boeing 747-438 from Qantas at 11,000 m (36,000 ft)
A vintage P-40 Warhawk with propeller tip vortex condensation
A distrail is the opposite of a contrail