Chapter 12: Surveying The Stars
1) What is a stars luminosity? Apparent brightness?
2) What are spectral types? What is the sequence in order of decreasing temperature?
3) What is the Hertzsprung-Russell diagram? Which properties of a star are on the x an
Queens College of CUNY, Department of Physics
General Astronomy 201/202
with lab [58381/58382]
Instructor: Ioannis Kostopoulos
Textbook: The Essential Cosmic Perspective, 7th Edition by J. Bennett, M.
PURPOSE: To compare the horizon and equatorial coordinate systems and
to learn how to determine sidereal time. To make use of a celestial globe
in understanding the basic
PROCEDURE: Making use of the cele