‎"LOCKYER, JOSEPH NORMAN.‎
‎On the Causes which Produce the Phenomena of New Stars.‎

‎(London, Harrison and Sons, 1892). 4to. No wrappers as extracted from ""Philosophical Transactions"" Year 1891, Volume 182 - Series A. Pp. 397-448. Textillustrations.‎

Reference : 44506

‎First appearance of one of Lockyer's importent papers on stellar evolution.""Lockyer's scheme of stellar development has been modified in many importent details, but its basic principle. of both rising and falling temperatures in the life history of a star, is the central idea of our present theory of stellar evolution.""""Joseph Norman Lockeyer (1836-1920), pioneer English astrophysicist. He made importent advances in the field of solar and stellar physics, and is responsible for naming the element helium, for emphasizing the two-branch theory of stellar evolution, and (jointly with Janssen) for the method of observing solar prominences without an eclipsee."" (Source Book in Astronomy).‎