Stars give off electromagnetic radiation because
A) matter is converted into energy.
B) matter and energy totally annihilate one another in matter-antimatter reactions.
C) energy is converted into matter.
D) kinetic energy is converted into potential energy.
E) energy is subsumed by the vacuum of space.
Correct Answer:
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Q4: The dominant wavelength of energy emitted by
Q32: Which of the following is a consequence
Q33: Earth's magnetosphere is generated by
A)nuclear fusion in
Q34: The auroras in the upper atmosphere are
Q35: On its way to Earth,the solar wind
Q36: Sunspots
A)can be several times larger than Earth.
B)can
Q39: A magnetic disturbance on the Sun's surface
Q40: Which of the following sequences is arranged
Q41: The solar constant is measured at
A)the Sun's
Q42: Intercepted solar radiation is called
A)solar wind.
B)thermosphere.
C)solar constant.
D)insolation.
E)displacement.
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