Vocabulary Flashcards
1
Q
1 Parsec equals how many light years?
A
3.261 light years
2
Q
M represents
A
Absolute magnitude
3
Q
m represents
A
apparent magnitude
4
Q
The measurement of stellar positions, yields, parallaxes, and proper motion is called:
A
Astrometry
5
Q
The measurement of the quantity of light received at all wavelengths. Gives apparent magnitude, color, and variability of stellar brightness.
A
Photometry
6
Q
The dispersion of light into its component colors to determine the stellar energy distribution as a function of wavelength. Produces spectral types, luminosity classes, and Doppler shifts.
A
Spectroscopy
