Have an account?
Skip to Content
Build your own quiz
20 questions
Show Answers
See Preview
- 1. Multiple Choice
Which of the following characteristics determines the color of a star?
Luminosity
Temperature
Distance
Mass
- 2. Multiple Choice
The explosion of a supergiant star is also known as a ___________.
Neutron star
Nebula
Blackhole
Supernova
- 3. Multiple Choice
What is revealed by the BLUE color of the supergiant star, Rigel?
It is fairly cool
It is close
It is very hot
It is no longer emitting light
- 4. Multiple Choice
Which of the following stars are near the end of their life cycle?
Main sequence
White dwarfs
Giants
Supergiants
- 5. Multiple Choice
Stars like our sun most likely formed directly from a ___________, which is a cloud of dust and gas.
Protostar
Nebula
Main sequence star
Red giant
- 6. Multiple Choice
Only the MOST massive stars will end their lives as a _________.
Red supergiant
Blackhole
Neutron star
Black dwarf
- 7. Multiple Choice
Which of the following characteristics determines the life cycle of a star?
Luminosity
Temperature
Color
Mass
- 8. Multiple Choice
Our sun's NEXT phase in its life-cycle
Nebula
Red supergiant
Red giant
Planetary nebula
- 9. Multiple Choice
True or False: Larger, more massive stars have a LONGER lifespan than smaller less massive stars
True
False
- 10. Multiple Choice
At what stage in a star's life are elements heavier than iron formed?
Red Giant
Supernova
Blackhole
Main Sequence
- 11. Multiple Choice
The COOLEST stars appear to be what color?
Yellow
Red
Blue
White
- 12. Multiple Choice
HR diagrams are most useful for
Locating stars
Classifying stars
Locating galaxies
Classifying galaxies
- 13. Multiple Choice
The brightness of a star depends on its:
Color and temperature
Distance and temperature
Distance and color
Size and temperature
- 14. Multiple Choice
Using the figure, name the star that is very dim and red in color.
Barnard's star
Betelgeuse
Mira
Alpha Centauri A
- 15. Multiple Choice
To an observer on Earth, the sun APPEARS brighter than the star Rigel because the sun is
More luminous than Rigel
Hotter than Rigel
Larger than Rigel
Closer to Earth than Rigel
- 16. Multiple Choice
According to the HR diagram, what is the approximate surface temperature of Alcor?
3,000 K
5,000 K
10,000 K
20,000 K
- 17. Multiple Choice
Which location shows the sun, a star with average temperature and average brightness?
A
B
C
D
- 18. Multiple Choice
Most of the stars on the HR diagram (90%) are classified as
Main sequence stars
Supergiants
Giants
White dwarfs
- 19. Multiple Choice
A celestial object that is so strong that not even light can escape
Supernova
White dwarf
Nebula
Black hole
- 20. Multiple Choice
Energy is produced in the cores of main sequence stars like our sun when
Heavier elements undergo fusion into lighter elements
Cosmic background radiation is absorbed
Lighter elements undergo fusion into heavier elements
Cosmic background radiation is released
- Answer choicesTagsAnswer choicesTags