9. How Far the Stars?

Last: 8. The Sun Next: 10. Stellar Nurseries

Topics:

Reading:

    Ch. 8-1Distances to nearby stars are determined by stellar parallax
    Ch. 8-2Apparent magnitude measures the brightness of stars as seen from Earth
    Ch. 8-3Absolute magnitudes do not depend on distance
    Ch. 8THE TEMPERATURE OF STARS (p. 170)
    Ch. 8-4A star's color reveals its surface temperature
    Ch. 8-5A star's spectrum also reveals its surface temperature
    Ch. 8-6Stars are classified by their spectra
    Ch. 8TYPES OF STARS (p. 173)
    Ch. 8-7The Hertzsprung-Russell diagram identifies distinct groups of stars
    Ch. 8-8Luminosity classes
    Ch. 8-9A star's spectral type and luminosity class provide a second distance-measuring technique

Web Resources:

Homework 9: Finding Distance With Parallax, due 10/30.

Quiz 9: Is The Sun A Star?, given 10/25.


Joshua E. Barnes (barnes@ifa.hawaii.edu)

Last modified: October 25, 2001
http://www.ifa.hawaii.edu/~barnes/ast110/hfts.html