Far Ultraviolet Spectroscopic Explorer (FUSE ) observations of the bright binary system Capella (α Aurigae; G1 III + G8 III) reveal a rich emission line spectrum containing neutral and ionic species, among them H i, O i, C iii, Ovi, Svi, Nev and Nevi. In addition the Fexviii 974.85 Å line, formed at temperatures of ≈ 6 × 10 K, is detected. Whereas the chromospheric and transition region emissio...