Sun And Stars Question Preview (ID: 5597)
Our Sun And Stars In General.
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What powers our sun?
a) nuclear fusion of hydrogen to helium
b) gravitational contraction
c) magnetism
d) combustion
What causes sunspots?
a) convection
b) radiation
c) nuclear fusion
d) magnetism
Our sun is a
a) neutron star
b) main sequence star
c) white dwarf
d) red giant
Granulation is due to
a) convection
b) radiation
c) nuclear fusion
d) magnetism
The part of the sun we see regularly is the
a) chromosphere
b) corona
c) photosphere
d) core
Which of the following is not an outer/atmosphere layer of the sun?
a) photosphere
b) corona
c) chromosphere
d) radiation zone
Which of the following is hotter than it should be based on its distance from the core?
a) the radiation zone
b) the corona
c) the photosphere
d) the chromosphere
Our sun will end its existence as a
a) white dwarf
b) pulsar
c) neutron star
d) black hole
How often do sunspots reach a peak? Every...
a) 11 years
b) 25 years
c) 100 years
d) 1 year
Star formation occurs in the cores of
a) singularities
b) wormholes
c) molecular clouds
d) black holes
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