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Introduction to stars and planets : an activities-based exploration /

How do astronomers know what they know about the stars and planets? That is the question behind today's rapid pace of cosmic discovery, for every new finding rests upon a centuries-long foundation of astronomical practice. Introduction to Stars and Planets: An activities-based exploration revea...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Hirshfeld, Alan (Autor)
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Bristol [England] (Temple Circus, Temple Way, Bristol BS1 6HG, UK) : IOP Publishing, [2020]
Colección:IOP (Series). Release 21.
AAS-IOP astronomy. 2021 collection.
Temas:
Acceso en línea:Texto completo
Tabla de Contenidos:
  • part I. The sun. 1. The Sun's distance I : the method of Aristarchus
  • 1.1. Aristarchus's distance to the Sun
  • 1.2. The Sun's diameter
  • 1.3. The Sun's distance revisited
  • 2. The Sun's distance II : transits and radar-ranging of Venus
  • 2.1. Transits of Venus
  • 2.2. The relative sizes of Earth's and Venus's orbits
  • 2.3. The absolute distance from the Earth to Venus
  • 2.4. Radar-ranging of Venus
  • 3. The Sun's diameter and mass
  • 3.1. The Sun's diameter
  • 3.2. The Sun's mass
  • 3.3. Implications
  • 4. The sunspot cycle
  • 4.1. Tracking sunspots through history
  • 5. The solar constant
  • 5.1. Basic concepts
  • 5.2. Measuring the solar constant
  • 5.3. The solar constant in practice
  • 6. The Sun's luminosity
  • 6.1. Introduction
  • 6.2. Squares and spheres
  • 7. The Sun's surface temperature
  • 7.1. Taking the Sun's temperature
  • 7.2. A pint-sized star
  • 8. Spectral lines and the chemistry of the Sun
  • 8.1. Dark lines and bright lines
  • 8.2. The Sun's spectrum
  • 8.3. Establishing the spectrum's wavelength scale
  • 8.4. Computing the wavelengths of the dark lines
  • 8.5. Identifying the Fraunhofer lines
  • 9. Is the Sun on fire?
  • 9.1. The energy enigma
  • 9.2. Chemical combustion
  • 9.3. Conclusion
  • 10. How long will the Sun shine?
  • 10.1. Thermonuclear fusion
  • 10.2. Input data
  • 10.3. Mass into energy
  • 10.4. How long can fusion last?
  • 10.5. The life span of the sun
  • part II. The stars. 11. The distances of stars : stellar parallax
  • 11.1. Stellar parallax
  • 11.2. Parallax simulation
  • 11.3. Bessel's star
  • 11.4. The 3D cosmos
  • 12. Weighing a star : binary stars and stellar mass
  • 12.1. Binary stars
  • 12.2. Orbital period
  • 12.3. Orbital radius and combined mass of Sirius and Sirius B
  • 12.4. Masses of the individual stars
  • 13. The Hertzsprung-Russell diagram
  • 13.1. Introduction
  • 13.2. Stellar magnitudes and spectral types
  • 13.3. Plotting and reading the HR diagram
  • 13.4. Selection effects
  • 13.5. Theory meets the HR diagram
  • 14. The distance to a star cluster
  • 14.1. The color-magnitude diagram
  • 14.2. Main-sequence fitting
  • 14.3. Caveat : interstellar dust
  • 15. The evolution of the Sun
  • 15.1. Programming the Sun
  • 15.2. The life and death of our star
  • 16. The evolution of massive stars
  • 16.1. Cosmic beacons
  • 16.2. Heavyweights
  • 17. Supernovae : the expansion of the Crab Nebula
  • 17.1. The Crab Nebula, then and now
  • 17.2. Image scale
  • 17.3. Measurement of the nebula
  • 17.4. Expansion and age of the Crab Nebula
  • 17.5. Distance of the Crab Nebula
  • 18. The event horizon of black holes
  • 18.1. Black hole basics
  • 18.2. Escape velocity
  • 18.3. John Michell's "dark star"
  • 18.4. The event horizon
  • 19. Kepler's Third law and the masses of black holes
  • 19.1. Introduction
  • 19.2. Inside the solar system
  • 19.3. Beyond the solar system
  • 19.4. Beyond the galaxy
  • 20. Our place in the galaxy
  • 20.1. Our view of the galaxy
  • 20.2. Globular star clusters
  • 20.3. Galactic coordinate system
  • part III. The planets. 21. A slice of earth
  • 21.1. The Earth in perspective
  • 22. Geological time in perspective
  • 22.1. Cosmic calendar
  • 23. The comparative density of planets
  • 23.1. Average density
  • 23.2. Terrestrial versus Jovian planets
  • 24. Planetary surface temperatures
  • 24.1. Introduction
  • 24.2. Earth's surface temperature
  • 24.3. The surface temperature of other planets
  • 24.4. The surface temperature of a comet
  • 25. The habitable zone
  • 25.1. Introduction
  • 25.2. Replacing the Sun
  • 25.3. Relocating the Earth
  • 26. The search for exoplanets : Doppler method
  • 26.1. The Doppler effect
  • 26.2. Center of mass
  • 26.3. Detecting the solar system from afar
  • 26.4. Weighing an exoplanet
  • 27. The search for exoplanets : transit method (I)
  • 27.1. Introduction
  • 27.2. Planetary transit basics
  • 27.3. Detecting the solar system from afar (redux)
  • 28. The search for exoplanets : transit method (II)
  • 28.1. Case study : the transit of a real exoplanet
  • 28.2. Radius of Kepler 21b
  • 28.3. Orbital radius of Kepler 21b
  • 28.4. Mass and average density of Kepler 21b
  • 28.5. Surface temperature of Kepler 21b.