WASP-107b 1970-01-01
Willie Soon 1970-01-01
Hata model 1970-01-01
Trimix (breathing gas) 1970-01-01
Triple-alpha process 1970-01-01
Helium atom 1970-01-01
Films about haunted dolls 1970-01-01
Helium ionization detector 1970-01-01
Helium–neon laser 1970-01-01
Helium planet 1970-01-01
Helium production in the United States 1970-01-01
Helium star 1970-01-01
Helium storage and conservation 1970-01-01
Hydreliox 1970-01-01
Hydrogen-deficient star 1970-01-01
Ioan Dzițac 1970-01-01
Isotopes of helium 1970-01-01
Kelly Korreck 1970-01-01
Slow-growing hierarchy 1970-01-01
Smith–Minkowski–Siegel mass formula 1970-01-01