Download HR lab for the course toward the end and more Exercises Physics in PDF only on Docsity!
Luminosity
(Number of times brighter than the sun) 1,000, 500, 100, 50, 10, 5, 1000 500 100
Characteristics of Stars
SUPERGIANTS Massive Stars 50 10 5 1
Small Stars 30,000 20,000 10,000 8,000 6,000 4,000 3,000 2,
Surface Temperature (K)
DWARFS GIANTS Name LAB (^) ACTIVITY The (^) Hertzsprung-Russell (^) Diagram Date Period Please (^) visit (^) www.HMXEarthScience.com/hr_diagram_lab.html (^) and (^) follow (^) the (^) instructions (^) to complete the (^) activities below. Color
Conclusion Questions
- Which four properties does the HR diagram use to classify stars?
- How many types of stars are shown on the HR Diagram?
- Which of the stars you plotted was the brightest? hottest?
- As a star changes color from red to blue, describe what happens to its surface temperature?
- A Main Sequence star that is 10,000 times more luminous than the sun, most likely has a temperature of
- What color is a Main Sequence star that is 1000 times brighter than the sun?
- According to the HR diagram, a massive star with a surface temperature of 20,000 K that is nearly a million times brighter than the sun would mostly likely be classified as a
- Which type of star is dimmer than the Sun?
- How does the temperature and luminosity of the Sun compare to that of the other stars on the Main Sequence?
- What is the relationship between luminosity and temperature for stars on the Main Sequence?
