Standard Article

Astronomy

  1. David Layzer

Published Online: 15 JUL 2007

DOI: 10.1002/3527600434.eap026.pub2

Encyclopedia of Applied Physics

Encyclopedia of Applied Physics

How to Cite

Layzer, D. 2007. Astronomy. Encyclopedia of Applied Physics. .

Author Information

  1. Harvard University, Department of Astronomy, Cambridge, Massachusetts, U.S.A.

Publication History

  1. Published Online: 15 JUL 2007

Abstract

The article contains sections titled:

  • 1
    Introduction
  • 2
    Astronomical Data
    • 2.1
      Sources of Astronomical Data
    • 2.2
      From 2D to 3D
    • 2.3
      Stellar Spectra
    • 2.4
      Dimming and Reddening of Starlight
    • 2.5
      Measuring the Velocities of Astronomical Objects
  • 3
    Gravity and the Hierarchy of Self-gravitating Systems
    • 3.1
      Newtonian Gravity
    • 3.2
      Mass, Size, and Motion
    • 3.3
      Tidal Effects
    • 3.4
      Self-Gravitating Clusters
    • 3.5
      Mass, Radius, and Cohesive Energy
  • 4
    Astronomical Systems
    • 4.1
      The Solar System
      • 4.1.1
        Size and mass
      • 4.1.2
        Meteorites
    • 4.2
      Origin of the Solar System
    • 4.3
      Stars and Star Clusters
    • 4.4
      The Interstellar Medium
    • 4.5
      Giant Molecular Clouds