Welcome to the Quiz!
This quiz contains 12 questions from a mix of 1 subtopics.
What is the primary process that causes a nebula to contract and form a protostar?
nuclear fusion
electron degeneracy pressure
radiation pressure
gravity
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What happens to a star when it runs out of hydrogen fuel in its core?
it becomes a neutron star
it undergoes a supernova explosion
it becomes a white dwarf
it becomes a red giant
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What is the primary source of energy for a main sequence star?
helium fusion in the core
hydrogen fusion in the core
gravitational contraction
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What is the final fate of a low mass star like the Sun?
supernova explosion
black hole
neutron star
white dwarf
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What is the maximum mass of a star that can become a white dwarf?
20 solar masses
3 solar masses
1.4 solar masses
8 solar masses
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What is the primary difference between the evolution of low mass and high mass stars?
low mass stars undergo a supernova explosion, while high mass stars do not
high mass stars become neutron stars, while low mass stars become black holes
high mass stars undergo a supernova explosion, while low mass stars do not
low mass stars become neutron stars, while high mass stars become white dwarfs
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What is the primary factor that determines whether a high mass star will become a neutron star or a black hole?
the distance of the star from Earth
the composition of the star's core
the rate of rotation of the star
the initial mass of the star
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What is the primary reason that pulsars emit regular pulses of radio waves?
they are undergoing periodic supernova explosions
they are rotating rapidly and emitting beams of radiation
they are accreting matter from a companion star
they are orbiting a companion star
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What is the primary difference between a red giant and a red supergiant?
red supergiants are more massive than red giants
red supergiants are smaller than red giants
red supergiants are hotter than red giants
red supergiants are younger than red giants
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What is the term for the cloud of gas and dust from which stars form?
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What is the term for a rapidly rotating neutron star that emits regular pulses of radio waves?
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Describe the process of star formation from a nebula to a main sequence star.
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