For over ten years, the dark side of the universe has been headline news. Detailed studies of the rotation of spiral galaxies, and 'mirages' created by clusters of galaxies bending the light from very remote objects, have convinced astronomers of the presence of large quantities of dark (unseen) matter in the cosmos. The most striking fact is that they seem to compromise about 95% of the matter/energy content of the universe. As for ordinary matter, although we are immersed in a sea of dark particles, including primordial neutrinos and photons from fossil cosmological radiation, both we and our environment are made of ordinary, 'baryonic' matter. Authors Mazure and Le Brun present the inventory of matter, baryonic and exotic, and investigating the nature and fate of matter's twin, anti-matter. They show how technological progress has been a result of basic research, in tandem with the evolution of new ideas, and how the combined effect of these advances might help lift the cosmic veil.
The exceptional cosmic history and the fabulous destinies of exploding stars – supernovae and gamma-ray bursters – are highly fertile areas of research and are also very special tools to further our understanding of the universe. In this book, cosmologists Dr Alain Mazure and Dr Stéphane Basa throw light on the assemblage of facts, hypotheses and cosmological conclusions and show how these ‘beacons’ illuminate their immediate surroundings and allow us to study the vast cosmos, like searchlights revealing the matter comprising our universe.
Unique in its breadth of coverage and level of presentation, this revised textbook provides more on the nature of galaxies, extragalactic objects, the large-scale structure of the Universe, and cosmology than is available in general textbooks on astronomy. It remains, however, accessible to advanced undergraduate students. One or more chapters are devoted to each of the following: the classification and morphology of galaxies; the galactic interstellar medium; galactic kinematics; elliptical, spiral, and barred spiral galaxies; the interactions between galaxies; extragalactic radio sources, quasars and their line spectra, and other active galactic nuclei; the formation of galaxies; the Universe as a whole; and cosmology.
Unique in its breadth of coverage and level of presentation, this revised textbook provides more on the nature of galaxies, extragalactic objects, the large-scale structure of the Universe, and cosmology than is available in general textbooks on astronomy. It remains, however, accessible to advanced undergraduate students. One or more chapters are devoted to each of the following: the classification and morphology of galaxies; the galactic interstellar medium; galactic kinematics; elliptical, spiral, and barred spiral galaxies; the interactions between galaxies; extragalactic radio sources, quasars and their line spectra, and other active galactic nuclei; the formation of galaxies; the Universe as a whole; and cosmology.
For over ten years, the dark side of the universe has been headline news. Detailed studies of the rotation of spiral galaxies, and 'mirages' created by clusters of galaxies bending the light from very remote objects, have convinced astronomers of the presence of large quantities of dark (unseen) matter in the cosmos. The most striking fact is that they seem to compromise about 95% of the matter/energy content of the universe. As for ordinary matter, although we are immersed in a sea of dark particles, including primordial neutrinos and photons from fossil cosmological radiation, both we and our environment are made of ordinary, 'baryonic' matter. Authors Mazure and Le Brun present the inventory of matter, baryonic and exotic, and investigating the nature and fate of matter's twin, anti-matter. They show how technological progress has been a result of basic research, in tandem with the evolution of new ideas, and how the combined effect of these advances might help lift the cosmic veil.
From the late Middle Ages to THE MARRIAGE OF FIGARO to Mel Gibson's BRAVEHEART, the ultimate symbol of feudal barbarism has been the right of a feudal lord to sleep with the bride of a vassal on her wedding night. But here, in a fascinating case study of the folklore of sexuality, Alain Boureau elegantly demonstrates such tradition is a myth.
Corbin recreates the life and world of a man about whom nothing is known except for his entries in the civil registries and historical knowledge about the times in which he lived: Louis-Francois Pinagot, a forester and clog maker who lived during the heart of the nineteenth century--the age of Romanticism, of Hugo and Berlioz--from the Napoleonic Wars to the Third Republic.
Recent advances have carried hepatology to new frontiers. The increasing frequency with which steatotic and cirrhotic livers undergo surgery obliges liver surgeons and hepatologists to understand the molecular mechanisms at play in these situations. Comprehension of the signaling pathways participating in liver regeneration, hepatocellular apoptosis and ischemia/reperfusion injury is essential. This book serves as a source of information to facilitate the reading of the literature and the planning of trials. Translational medicine implies knowledge of the molecular targets of novel therapeutic strategies. It is our goal to stimulate more research that can lead to more exchanges between the laboratory, the clinical ward and the operating room.
Dans les bastringues de La Nouvelle-Orléans retentit une musique jamais entendue. Ni celle du Blanc ni celle de l'Afrique, mais celle du Noir déporté en terre américaine. Y résonnent les échos des lames des charrues creusant la terre, des haches dans les forêts, des maillets contre les rochers, des balais dans la poussière, des ustensiles de cuisine : on l'appelle le blues. Nehemiah en est un des premiers virtuoses. Cet esclave a le droit de jouer sur le piano de ses maîtres quand ces derniers exhibent « leur nègre musicien ». Après la défaite de l’armée confédéré, affranchi et lâché comme tous ses semblables sur les routes du Sud dévasté, il n'a de cesse de trouver un instrument bien à lui. Mais si sa soudaine liberté n'a pas encore fait du Noir d'Amérique l'égal des Blancs, le génie de la musique y suffira-t-il ? Si le blues vrille le cœur, n’est-ce pas parce qu'il dit exactement le contraire ?
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