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