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 2014, 76 percent of the 1.3 million Vietnamese immigrants residing in the United States were naturalized citizens, compared to 47 percent of the overall foreign-born population. The majority (71 percent) of Vietnamese immigrants arrived in the United States prior to 2000.