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Lithium depletion in the Universe remains a matter of investigation This book aims to carry out a wide-ranging inquisitive review of over half a century of astronomical observations of lithium and astrophysical developments to understand its behaviour in diverse environments across the Universe. The scope is wide, from the primordial nucleosynthesis in the early universe, to the evolution in the Milky Way and other galaxies and the internal processes that determine the depletion or preservation in stars, brown dwarfs and exoplanets. The approach is to focus on the basic concepts, to describe the chronology of key observations and theoretical developments, with as little mathematical equations as possible, and to provide critical assessment of ongoing controversies and unsolved problems.
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Cosmology --- 52-36 --- Chemical composition. Abundances --- Cosmochemistry. --- Interstellar matter. --- 52-36 Chemical composition. Abundances
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COSMIC ABUNDANCES --- SOLAR PHOTOSPHERE --- STARS --- EVOLUTION --- COSMIC ABUNDANCES --- SOLAR PHOTOSPHERE --- STARS --- EVOLUTION
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This book provides a thorough review of the abundances of the elements up to Boron. Special emphasis is laid on primordial abundances of interest to cosmologists in particular, and on stellar production or destruction respectively. The articles, written for researchers and graduate students, cover theory and the most recent observational data.
Cosmic abundances --- Light elements --- Cosmochemistry --- Abondances cosmiques. --- Éléments légers. --- Cosmochimie.
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Isotope abundances. --- Naturally occurring elements. --- Nuclidic masses. --- Relative atomic masses.
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Cosmic abundances --- Chemical elements --- Abondances cosmiques. --- Éléments (chimie)
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Metal-rich stars accumulate their metals from previous generations of stars, and so contain the history of their galaxy. By studying these stars we can gain valuable insights into how metals change the formation and evolution of stars, and explain the extraordinary massive star populations observed in the metal-rich region of our own galaxy. Observations of metal-rich regions have shown that stars hosting giant planets are generally metal-rich, which has triggered further observations of metal-rich stars. This has led to the discovery of new exoplanets, and advances in the study of planet formation and the late chemical evolution of galaxies. This book covers many aspects, from spectral line formation to stellar formation and evolution in high metallicity regimes. It is invaluable to researchers and graduate students in stellar evolution, extragalactic astronomy, and planet formation.
Cosmic abundances. --- Metal-rich stars. --- Stars. --- Sidereal system --- Galaxies --- Circumstellar matter --- Cosmic abundances --- Stars --- Abundance (Astronomy) --- Abundances of elements (Astronomy) --- Element abundance (Astronomy) --- Elemental abundance (Astronomy) --- Elements, Cosmic abundance of --- Chemical elements --- Cosmochemistry
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Cosmology --- Geochemistry --- Chemistry of natural organic substances --- $ PDMC --- 52-36 --- Chemical composition. Abundances --- Cosmochemistry. --- Organic geochemistry. --- 52-36 Chemical composition. Abundances --- Cosmochemistry --- Organic geochemistry
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