The word supernova was coined by Walter Baade and Fritz Zwicky in 1931. It is pronounced /ËsuËpÉrnoÊvÉ/ with the plural supernovae /ËsuËpÉrnoÊviË/ or supernovas (abbreviated SN, plural SNe after supernovae).
The largest number of Vietnamese outside Vietnam is in Orange County, California (184,153, or 6.1 percent of the county's population), followed by Los Angeles and Santa Clara counties; the three counties accounted for 26 percent of the Vietnamese immigrant population in the United States.
In October 1990, the Census Bureau issued estimated U.S. population figures of approximately 254 million, based on a tracking of birth, death, and immigration records.