1.

Record Nr.

UNINA9910461807903321

Autore

Woolfson M. M

Titolo

On the origin of planets [[electronic resource] ] : by means of natural simple processes / / Michael M. Woolfson

Pubbl/distr/stampa

London, : Imperial College Press, c2011

ISBN

1-84816-600-1

1-283-14346-1

9786613143464

Descrizione fisica

1 online resource (492 p.)

Disciplina

523.2

Soggetti

Planets - Origin

Electronic books.

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Description based upon print version of record.

Nota di bibliografia

Includes bibliographical references and index.

Nota di contenuto

Preface; Contents; An Historical Sketch of the Progress of Opinion on the Origin of Planets; 1. Observations of Stars; 2. Producing Protostars - Embryonic Stars; 3. The Life and Death of a Star; 4. The Evolution of a Galactic Cluster; 5. Exoplanets - Planets Around Other Stars; 6. The Formation of Planets: The Capture Theory; 7. Orbital Evolution; 8. The Frequency of Planetary Systems; 9. Satellite Formation; 10. Features of the Solar System; 11. Interactions Between Planets; 12. The Moon; 13. Mars and Mercury; 14. Neptune, Triton and Pluto

15. Dwarf Planets, Asteroids, Comets and the Kuiper Belt16. Meteorites: Their Physical and Chemical Properties; 17. Isotopic Anomalies in Meteorites; 18. Overview and Conclusions; Appendix A: Angular Momentum; Appendix B: Equipotential Surfaces of a Tidally Distorted Star; Appendix C: The Instability of a Gaseous Filament; Appendix D: The Jeans Critical Mass; Appendix E: The Lynden-Bell and Pringle Mechanism; Appendix F: Grains in Molecular Clouds; Appendix G: The Structure of a Spiral Galaxy; Appendix H: The Centre of Mass and the Orbits of Binary Stars; Appendix I: The Doppler Effect

Appendix J: Atomic Energy Levels and Stellar SpectraAppendix K: Stellar Masses from Observations of Binary Systems; Appendix L: Smoothed-Particle Hydrodynamics; Appendix M: Free-Fall Collapse; Appendix N: Fragmentation and Binary Characteristics; Appendix O: Spin Slowing



Due to a Stellar wind; Appendix P: The Virial Theorem and Kelvin-Helmholtz Contraction; Appendix Q: The Lifetime of Stars on the Main Sequence; Appendix R: The Eddington Accretion Mechanism; Appendix S: The Mass and Orbit of an Exoplanet; Appendix T: Radiation Pressure and the Poynting-Robertson Effect

Appendix U: Active Stars and Their Effect on a Stellar DiskAppendix V: The Structure and Decay of a Stellar Disk; Appendix W: The Formation of Exoplanets; Appendix X: Disrupting a Planetary System; Appendix Y: From Dust to Satellitesimals; Appendix Z: From Satellitesimals to Satellites; Appendix AA: The Tidal Heating of Io; Appendix AB: The Trojan Asteroids; Appendix AC: Orbital Precession; Appendix AD: The Temperature Generated by Colliding Planets; Appendix AE: Heating by Deuterium-Based Reactions; Appendix AF: The Thermal Evolution of the Moon

Appendix AG: The Abrasion of a Hemisphere of the MoonAppendix AH: The Rounding-off of a Highly Eccentric Satellite Orbit; Appendix AI: Continental Drift on Mars; Appendix AJ: The Oort Cloud and Perturbing Stars; Appendix AK: Planetary Perturbation of New Comets; Appendix AL: Reactions and Decays; Appendix AM: Cooling and Grain Formation; Index

Sommario/riassunto

The book begins with a historical review of four major theories for the origin of the Solar System in particular, or of planets in general, which highlight the major problems that need to be solved by any plausible theory. In many theories, including that which form the major theme of this book, the formation of planets and stars is intimately linked, so four chapters are devoted to the processes that can be described as the birth, life and death of stars. Recent observations that have revealed the existence of planets around many Sun-like stars are described in detail, followed by a clear exp



2.

Record Nr.

UNINA9910787429303321

Autore

Ellis Viv <1965->

Titolo

Transforming teacher education : reconfiguring the academic work / / by Viv Ellis, Jane McNicholl

Pubbl/distr/stampa

London ; ; New York : , : Bloomsbury Academic, , 2015

ISBN

1-4725-1184-0

1-4725-0884-X

1-4742-1902-0

1-4725-0639-1

Descrizione fisica

1 online resource (193 p.)

Classificazione

EDU046000

Disciplina

378.1/20941

Soggetti

College teachers - In-service training - England

College teachers - In-service training - Great Britain

College teachers - Training of - England

College teachers - Training of - Great Britain

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Description based upon print version of record.

Nota di bibliografia

Includes bibliographical references and index.

Nota di contenuto

Machine generated contents note: -- Preface -- Acknowledgements -- Introduction -- 1. Teacher Education as a Policy Problem -- 2. Teacher Education as Academic Work -- 3. Teacher Educators at Work: The Division of Labour -- 4. Teacher Educators at Work: Critical Cases -- 5. Teacher Educators, Proletarianisation and the Discipline of Education -- 6. Public Universities and the Profession of Teaching: Towards an Agenda for Transformation -- Bibliography -- Index.

Sommario/riassunto

"Teacher education has a central role in the improvement of educational systems around the world but what do the teacher educators in universities and colleges actually do? Day-to-day, how do they support the learning and development of the thousands of new teachers we need every year? And why does this matter? Drawing on recent research by the authors, situated in the growing international literature, Transforming Teacher Education puts these questions in cultural and historical context and offers a practical answer in the form of an original agenda for the transformation of current conditions in teacher education with future designs for practice. Viv Ellis and Jane



McNicholl argue that the academic work of teacher education needs to be reconfigured in order to stimulate the renewal of the profession of teaching and to develop new modes of educational research that will have impact on practice as well as building the discipline of Education within the universities. They offer suggestions for future designs for teacher education, drawing not only on the latest research in teacher learning and development but from across the social sciences."--Bloomsbury Publishing.