The Planetary Society was created in 1980.
Planetary Radio was created in 2002.
Planetary Confinement was created in 2005.
Planetary Resources was created in 2010.
Planetary Invasion was created in 1984.
Planetary Unfolding was created in 1981.
Planetary Duality was created on 2008-11-11.
Ptolemy created the Geocentric model in 2AD
A planetary nebula is created by a dying low to medium mass star as it sheds its outer layers of gas.
If Society was created in 1999.
The Fabian Society was created in 1884.
The Mythopoeic Society was created in 1967.
Alzheimer Society of Canada was created in 1979.