Jüpiter esas olarak hidrojen ve helyumdan oluşan bir gezegendir.
- Jupiter is a planet principally composed of hydrogen and helium.
Tom balonu helyum ile doldurdu.
- Tom filled the balloon with helium.
... the universe needs more to work with than just hydrogen and helium. ...
... We have two anti-protons with two anti-neutrons to create anti-helium. So in principal, ...