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Sun And Stars
Test Description: Our sun and stars in general.
Instructions: Answer all questions to get your test result.
1) What powers our sun?
A
gravitational contraction
B
magnetism
C
nuclear fusion of hydrogen to helium
D
combustion
2) What causes sunspots?
A
nuclear fusion
B
convection
C
radiation
D
magnetism
3) Our sun is a
A
red giant
B
main sequence star
C
neutron star
D
white dwarf
4) Granulation is due to
A
convection
B
nuclear fusion
C
radiation
D
magnetism
5) The part of the sun we see regularly is the
A
corona
B
core
C
chromosphere
D
photosphere
6) Which of the following is not an outer/atmosphere layer of the sun?
A
photosphere
B
radiation zone
C
corona
D
chromosphere
7) Which of the following is hotter than it should be based on its distance from the core?
A
the chromosphere
B
the corona
C
the photosphere
D
the radiation zone
8) Our sun will end its existence as a
A
pulsar
B
neutron star
C
black hole
D
white dwarf
9) How often do sunspots reach a peak? Every...
A
25 years
B
100 years
C
1 year
D
11 years
10) Star formation occurs in the cores of
A
wormholes
B
black holes
C
singularities
D
molecular clouds
*select an answer for all questions
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