USES OF HYDROGEN

  The Sun

The Sun outshines everything else in the sky. Hydrogen makes up the bulk of the Sun and provides fuel for the nuclear reactions that make the Sun shine.

  Horsehead Nebula

Stars are born from nebulas like the Horsehead Nebula, which is more than 1,000 light-years from the Earth. The nebula consists mainly of hydrogen gas. Hydrogen is the most common element in the universe.