Sentences with phrase «primarily hydrogen content»
The team of astronomers who discovered it — led by Robert Quimby of the California Institute of Technology (Caltech) in Pasadena — tentatively have labeled the 4.7 billion light - years away ex-star a Type II - L supernova because of its brightness and because its light spectrum shows a primarily hydrogen content.
http://www.sciencemag.org/ Not exact matches
(4) Consequently, variations in the ratios of carbon to heat content of coal are due primarily to variations in the hydrogen content.