The fusion of two hydrogen atoms into a helium atom produces energy as a by-product, which makes the star shine and gives any planets orbiting it heat and light.
(The fusion of two hydrogen atoms into a helium atom; produces; energy) (a by-product; makes; the star shine) (a by-product; gives; any planets orbiting it heat and light) (any planets; orbiting; it heat and light)
The fusion of two hydrogen atoms into a helium atom a by-product a by-product any planets
produces makes gives orbiting
energy
the star shine
any planets orbiting it heat and light
it heat and light