Astrophysics (index)


(C2H2, Ethyne)
(compound of two carbon and two hydrogen atoms)

Acetylene (C2H2 or Ethyne) is a compound of two Carbon and two Hydrogen atoms. The carbon atoms are between, joined by a triple bond. At atmospheric pressure and Temperature, it is a gas.

It is fairly common in the universe, often in the Atmosphere of gas Giant Planets.