contoh kalimat garis-garis fraunhofer

• In physics and optics, the Fraunhofer lines are a set of spectral lines named after the German physicist Joseph von Fraunhofer (1787–1826).
  Di dalam fisika dan optika, garis-garis Fraunhofer adalah sekumpulan garis spektrum yang dinamakan berdasarkan fisikawan Jerman Joseph von Fraunhofer (1787-1826).