You should understand the words and concepts listed here:

• light-year
• stellar parallax
• parsec (= 3.27 ly = 206,265 AU)
• magnitude scale
• apparent magnitude
• absolute magnitude
• spectral class (O, B, A, F, G, K, M)
• Hertzsprung-Russell (H-R) diagram
• main sequence
• red giant
• white dwarf
• red dwarf
• blue giant
• blue supergiant
• luminosity class
• spectroscopic parallax
• cosmic distance ladder
• binary stars
• spectroscopic binary
• eclisping binary
• stellar mass

This list covers the vocabulary added in chapter 10. It should be reviewd together with the corresponding vocabulary lists for chapters 11-13.

---

The URL for this page is http://www.atsweb.neu.edu/physics/m.vaughn/PHYU111_F07/vocabulary_10.html
posted 12 November 2007