The Sun #2: Question Preview (ID: 17907)


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The primary source of fuel for the sun is
a) Hydrogen b) Carbon c) Helium d) Iron
During the Red Giant Stage, how is energy generated in a star's core?
a) Hydrogen ifuses nto helium b) Carbon fuses into hydrogen c) Carbon fuses into iron d) Helium fuses into carbon
A sunspot cycle begins with
a) There is a sudden increase in the number of sunspots all across the sun b) The number of sunspots is very high but begins to decrease c) The number of sunspots is very low but begins to increase d) The location of sunspots on the sun suddenly changes
During nuclear fusion in the sun, which of the following occurs?
a) Atomic nucleus splits apart b) The aurora austral appears c) Hydrogen nucleus combine to produce a helium nucleus d) A solar eclipse results
What did sunspots first reveal about the sun?
a) the sun rotates b) the sun is not made of fire c) the sun is fueled by nuclear fusion d) the sun has a core
To identify the elements in a star's atmosphere, scientists
a) match the spectral lines of starlight against the spectra from the known stars b) match the spectral lines of starlight to those of Earth's elements c) match the spectral lines of starlight against the spectra of gases in Earth's atmosphere d) match the spectral lines of starlight to one another
A star that will live the longest has a starting mass that is
a) small b) medium c) large d)
The core of a white dwarf star is mostly made of
a) Hydrogen b) Helium c) Iron d) Carbon
Gusts of solar winds can cause
a) Nuclear Fusion b) Magnetic Storms c) Nuclear Fission d) Rotation
What are solar flares?
a) glowing cloud of gas that arches over the sun's surface b) violent, explosive release of solar energy c) colored light produced when charged particles from the solar wind react with Earth's upper atmosphere d) cooler, dark areas of the photosphere of the sun
A supernova is the explosion of a dying
a) high-mass star b) medium-mass star c) protosar d) low-mass star
A black hole is
a) a large cloud of gas or dust in space b) a neutron star that emits radio waves c) a large, bright star whose hot, core has used most of its hydrogen d) an object so dense that even light cannot escape its gravity
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