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Match it! Select the correct answer from the pull down...Good luck!
How do scientists know the universe is expanding?
all of the above
one year
the collapse of the solar nebula
photosphere
Sunspot activity might affect Earth's temperatures
core
planetesimals collided into one another
Hydrogen nuclei combine to form helium
How do sunspots affect the Earth?
all of the above
one year
the collapse of the solar nebula
photosphere
Sunspot activity might affect Earth's temperatures
core
planetesimals collided into one another
Hydrogen nuclei combine to form helium
Energy leaves the sun as light from a region called the _________.
all of the above
one year
the collapse of the solar nebula
photosphere
Sunspot activity might affect Earth's temperatures
core
planetesimals collided into one another
Hydrogen nuclei combine to form helium
The planets of the solar system formed as
all of the above
one year
the collapse of the solar nebula
photosphere
Sunspot activity might affect Earth's temperatures
core
planetesimals collided into one another
Hydrogen nuclei combine to form helium
Earth's period of revolution is about
all of the above
one year
the collapse of the solar nebula
photosphere
Sunspot activity might affect Earth's temperatures
core
planetesimals collided into one another
Hydrogen nuclei combine to form helium
In what layer of the sun is energy produced?
all of the above
one year
the collapse of the solar nebula
photosphere
Sunspot activity might affect Earth's temperatures
core
planetesimals collided into one another
Hydrogen nuclei combine to form helium
What caused the solar system to form?
all of the above
one year
the collapse of the solar nebula
photosphere
Sunspot activity might affect Earth's temperatures
core
planetesimals collided into one another
Hydrogen nuclei combine to form helium
What happens during nuclear fusion in the sun?
all of the above
one year
the collapse of the solar nebula
photosphere
Sunspot activity might affect Earth's temperatures
core
planetesimals collided into one another
Hydrogen nuclei combine to form helium
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