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- 1. Multiple Choice
Which is the correct name of the HR diagram
Hertzsprung-Russell Diagram
Hertzsprung-Randle Diagram
Hurtsdoughnut-Ramstein Diagram
Hertzsprung-Randy diagram
- 2. Multiple Choice
Mark two things that the H-R diagram measures.
Luminosity
Color
Size
Shape
Distance
- 3. Multiple Choice
What color represents a cool star
Blue
White
Red
Yellow
- 4. Multiple Choice
What is luminosity?
the amount of heat that a star gives off
the color of the star
the amount of energy a star emits
a type of game that you play to build up your brain muscles.
- 5. Multiple Choice
What is this section of stars known as?
Main Sequence
Red Giants
White dwarfs
Blue/Red Supergiants
- 6. Multiple Choice
What percent of stars spend their life as main sequence star ?
90%
85%
80%
50%
95%
- 7. Multiple Choice
Which is the correct order for spectral classes?
O, B, A, F, G, K, M
M, K, G, F, A, B, O
A, B, F, O, M, K, G
B, F, O, G, K, A, M
- 8. Multiple Choice
Which stage is this?
Red/Blue Supergiants
Main sequence
White dwarfs
Red Giants
- 9. Multiple Choice
Which type of stars have the spectral class K-M?
Red Giants
Blue Supergiants
White Dwarfs
Red Dwarfs
- 10. Multiple Choice
Which stage is represented by this picture?
Red Giants
Main Sequence
White Dwarfs
Blue Giants
- 11. Multiple Choice
Where does our sun lay on the H-R diagram?
Main sequence
White Dwarfs
Red Giants
Yellow star
Young stars
- 12. Multiple Choice
Which star type is represented by this section of the H-R diagram?
Main Sequence Star
Blue/Red Supergiants
White Dwarfs
Red Dwarfs
- 13. Multiple Choice
The temperature of the star is measured in what?
Fahrenheit
Celcius
Kelvin
Kilometers
Newtons
- 14. Multiple Choice
Which types of stars would you be if you had a spectra rating of between an O and a B?
White Dwarfs
Yellow stars
Blue Giants
Red Dwarfs
Red Giants
- 15. Multiple Choice
What is the spectral class our Sun is in?
O
M
G
F
A
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