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