Lately, there was an expanding realisation that there are vital parts of 'common floor' among smooth particle physics and high-energy astrophysics. This booklet presents a far wanted, readable but entire review of particle physics, and emphasises the shut hyperlinks among particle physics and cosmology. starting with a few easy evidence in regards to the observable universe, the authors ponder, in successive chapters, precise and common relativity, gravitational lenses, cosmological types, debris and fields, thermodynamics and section transitions within the early universe. The cosmic microwave history, constitution formation and darkish topic, the inflationary universe, gamma rays, cosmic rays, neutrinos and gravitational wave detectors are then mentioned. contemporary discoveries, comparable to neutrino mass and oscillations, and measurements of the universe utilizing supernovae, are handled in a pedagogical and non-technical demeanour. A characteristic of this e-book is that it really is 'self-contained, in that no specialized wisdom is needed at the a part of the reader other than simple undergraduate arithmetic and physics. as well as the extra descriptive sections the place the reader is ready to get the 'flavour' of the topic without having to stick to each step concerned, a few chapters include non-compulsory, extra technical components that may be skipped via much less complex readers. via combining the services of either a number one experimentalist and most appropriate theorist, this booklet comprises very important features of either observational cosmology in addition to extra theoretical ideas. Readership: Undergraduate and postgraduate scholars of astronomy, astrophysics, cosmology, particle physics, theoretical physics and mathematical physics, and people engaging in learn in those fields. Lars Bergström is affiliate Professor within the division of Physics at Stockholm college. He has authored or co-authored over a hundred technical articles and clinical papers on physics typically and particle physics specifically. Ariel Goobar is Postdoctoral study Fellow in Experimental Particle Astrophysics at FYSIKUM, Stockholm college, Sweden. As energetic researchers within the matters of high-energy neutrino astrophysics and cosmology, either authors are across the world revered specialists within the box of particle astrophysics.