According to the Planck mission team, and based on the standard model of cosmology, on a mass–energy equivalence basis, the observable universe contains 26.8% dark matter, 68.3% dark energy (for a total of 95.1%) and 4.9% ordinary matter.
Tetralin se proizvaja tudi s hidrogeniranjem naftalena v prisotnosti zmesi katalizatorjev WS2 + NiS + Al2O3 ali CoO + MoO3 + Al2O3 pod tlakom 50–300 atm.