It is the plural form or definite form of the adjective "Norwegian" (in Norwegian).
E.g.
A Norwegian apple = et norsk eple
Norwegian apples = norske epler
The Norwegian apple = det norske eplet
"Det norske" is pronounced as "deht NOORS-keh".
Norske Talenter was created in 2007.
Norske Skog's population is 2,010.
Norske Skog was created in 1962.
Norske Folk was created in 1917.
Norske Folk ended in 1991.
Norske Jenter was created in 1980.
Norske Hits was created in 1998-11.
Det Norske Veritas was created in 1864.
Det Norske Teatret was created in 1912.
Den norske Bank was created in 1990.
Den norske Creditbank ended in 1990.