Now the greater part of the 5% of the ordinary matter, had not been able to be detected by scientists, and it was only observed most of the material that is in state plasma another in the form of gas, as the stars ,the clouds and dust that shine in the outer space, but a new study led by scientists from the Center for Studies in Physics of the cosmos of Aragon, based on the measures of the Cosmic Microwave Background space telescope Planck, researchers have been able to find out where he was hiding a good part of that "ordinary matter loss", which according to the study is in a gaseous state, in the form of clouds in space.