... These antennas will be used to measure the very faint signals from the Epoch of Reionisation, back from the dawn of the Universe, when the first stars were switching on and beginning to ionize the hydrogen gas surrounding the galaxies. ...

... Look farther out at other galaxies with hydrogen clouds and hot O and B-type stars ionizing their gases and pushing them away. ...

... Galstyan A.G., Popov Yu V., Chuluunbaatar O., Piraux B. Semi-analytical model of hydrogen ionization by strong laser pulse at low fi eld frequencies // Journal of Physics: Conference Series, издательство Institute of Physics (United Kingdom), том 4 90, c ...

... The present analysis is restricted to a neutral hydrogen gas (n = nHI ) and a fully ionized hydrogen gas (n = ne- + nHII ). ...

... Diploma thesis abstract "Ionization of single hydrogen atom by laser pulse of near-atomic field strength" Student: Stremoukhov S. Yu. ...

... NGC 6357's inner star forming region glows with the emission of ionized hydrogen gas. (Image credit: ESO/VVV Survey/D. Minniti. ...

... Ellis A.J., Giggenbach W. Hydrogen sulphide ionization and sulphur hydrolys in high temperature solution // Geochim. et cosmochim. acta. - 1971. - Vol. ...

... L.R. Parbuzina and I.A. Semiokhin. Kinetics of molecular hydrogen ionization in pulse discharge plasma. Zh.Fiz.Khim. 59, 1769 (1985) (in Russian). ...

... systematic searches for traces of star formation in the disks of lenticular galaxies with a sufficient amount of H I yielded negative results for most objects: no young stars capable of ionizing hydrogen were detected (Pogge and Eskridge 1987, 1993 ...

... analysis package is a set of applications within IRAF/STSDAS for computing physical parameters in emission line nebulae (such as electron density, N e , and temperature, T e ), as well as ionic abundances of several elements relative to ionized hydrogen ...