- Alderwood Manor is a census-designated place (CDP) in Snohomish County, Washington, United States. The population was 10,198 at the 2020 census. Prior to the 2000 census, Alderwood Manor was counted as part of the Alderwood Manor-Bothell North CDP.
- Planetary nebula (Wikipedia)
A planetary nebula is a type of emission nebula consisting of an expanding, glowing shell of ionized gas ejected from red giant stars late in their lives.