Hertzsprung-Russell Diagram 1.5.12
Use the H-R diagram in the student guide to answer these questions.
1. Along the top of the diagram you see the different colors of stars. What colors do you see?
Blue, white, yellow, red, blue-white, red-orange.
2. This diagram is like a graph. What variable is found along the x-axis?
"Increasing surface temperature".
3. What is unusual about the direction of variables along the x-axis?
Instead of the x-axis moving out toward the right, the direction is moving in.
4. What variable is found along the side or y-axis?
"Increasing luminosity".
5. Stars that are burning hydrogen are in the Main Sequence of stars.
Name a yellow main sequence star. Sun
Name a blue main sequence star. Spica
Name a red main sequence star. Bernard's star
1. Along the top of the diagram you see the different colors of stars. What colors do you see?
Blue, white, yellow, red, blue-white, red-orange.
2. This diagram is like a graph. What variable is found along the x-axis?
"Increasing surface temperature".
3. What is unusual about the direction of variables along the x-axis?
Instead of the x-axis moving out toward the right, the direction is moving in.
4. What variable is found along the side or y-axis?
"Increasing luminosity".
5. Stars that are burning hydrogen are in the Main Sequence of stars.
Name a yellow main sequence star. Sun
Name a blue main sequence star. Spica
Name a red main sequence star. Bernard's star
6. Supergiants stars are those of at least 100 times that of our Sun.
Name a white supergiant star. Deneb
Name a red supergiant star. Antares
7. Name two other types of stars found on the diagram.
Whi