This element is the most common substance in the universe
... Table 1 gives some 
information about the most common elements in the Earth's crust in order of... [DOC] [TLE] Surprise: The Third Most Common Element In The Universe Isn't ... [PAR] Dec 4, 2015 ... After the Big Bang, the Universe was 99.999999% hydrogen and helium: the 
lightest two elements of all.