The aurora borealis is an example of atoms and molecules in the atmosphere absorbing photons and exciting the atoms and molecules to emit spectra
a. True
b. False
Indicate whether the statement is true or false
True
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An astronomical unit is larger than a light-year
a. True b. False Indicate whether the statement is true or false
A spherical region that surrounds the Solar System and extends up to about 100,000 AU from the Sun is called the
A. Solar nebula. B. Kuiper belt. C. Asteroid belt. D. Oort cloud.
How can a star's blackbody spectrum be used to determine the temperature of a star?
What will be an ideal response?
The primary purpose of a lightning rod is to
A) attract lightning and guide it to the ground. B) discharge the structure to which it is attached. C) cancel the electric field within the structure to which it is attached. D) induce a charge opposite to that of charged clouds overhead.