Simone Malacrida 
Cosmology [EPUB ebook] 

This book presents the main aspects of cosmology such as:
the cosmological principle, Hubble’s law and the recession of galaxies
Newtonian and relativistic cosmology
the problems of flatness and the horizon, the De Sitter and Lemaitre models
the cosmological theories of the Big Bang and steady state
cosmological thermodynamics and cosmological eras
the role of dark matter