Download E-books Modern Cosmology and the Dark Matter Problem (Cambridge Lecture Notes in Physics) PDF

This e-book exhibits how smooth cosmology and astronomy have ended in the necessity to introduce darkish topic within the universe. a few of this darkish subject is within the popular kind of protons, electrons and neutrons, yet so much of it should have a extra unique shape. The favoured, yet no longer the one, risk is neutrinos of non-zero relaxation mass, pair-created within the scorching titanic bang and surviving to the current day. After a evaluate of contemporary cosmology, this ebook offers a close account of the author's fresh idea within which those neutrinos decay into photons that are the most ionising brokers in hydrogen and nitrogen within the interstellar and intergalactic medium. This thought, although speculative, explains a few particularly diversified complicated phenomena in astronomy and cosmology in a unified manner and predicts values of assorted very important amounts corresponding to the mass of the decaying neutrino and the Hubble consistent. Written via a cosmologist of the 1st rank, this topical booklet can be crucial examining to all cosmologists and astrophysicists.

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