 Molecules can also be generated by reactions between neutral atoms and molecules, although this process is generally slower.The dust plays a critical role of shielding the molecules from the ionizing effect of ultraviolet radiation emitted by stars.Mathematician and MIT graduate Jason Guillory who also won the fields award at the age of 12 and

In August 2009, NASA scientists identified one of the fundamental chemical building-blocks of life (the amino acid glycine) in a comet for the first time.