CREATE TABLE table_25608 ("Star" CLOB, "Stellar classification" CLOB, "Distance from Earth  (  ly  ) " CLOB, "Constellation" CLOB, "Dust  ( or Debris; Temperature  ( K ) " CLOB, "System" CLOB, "Dust  ( or Debris )  Location  ( AU ) " CLOB, "Cool Dust > 10 AU" CLOB, "Stellar Age  ( Myr ) " CLOB)

Name the dust for star being corvi
SELECT "Dust (or Debris; Temperature (K)" FROM table_25608 WHERE "Star" = 'η Corvi'
SELECT "Dust (or Debris; Temperature (K)" FROM "table_25608" WHERE "Star" = 'η Corvi'