The Spectroscope: And Its Work (Classic Reprint) - Hardcover

Richard A. Proctor

 
9780265702970: The Spectroscope: And Its Work (Classic Reprint)

Synopsis

Unlocking the light of the heavens through spectroscopy

This detailed guide explains how scientists study the sun, planets, stars, and even meteorites by analyzing their spectra. It covers groundbreaking methods, key observations, and the story behind major discoveries, from solar rotation to the bright lines of prominences seen during eclipses.

The text blends historical milestones with clear explanations of how spectroscopes separate light into its components, what those components reveal about temperature, motion, and composition, and how researchers verify findings with careful observations and photographs. It presents the challenges and triumphs of measuring celestial motion, identifying gases in sunspots, and understanding features like nebulae and comets through spectra.
  • How the sun’s rotation and planetary motions are detected spectroscopically
  • What spectroscopic evidence reveals about solar prominences, eclipses, and the corona
  • How photographs of stellar and planetary spectra advance our view of the universe
  • Key discoveries about oxygen, nitrogen, and the nature of bright-line spectra in nebulae
Ideal for readers of astronomy and history of science who want a practical, accessible look at how light becomes evidence about the cosmos.

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