The third-quarter Moon rises at noon
a. True
b. False
Indicate whether the statement is true or false
False
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A telescope that suffers from chromatic aberration and has a low light-gathering power is most likely a:
A) small diameter reflecting telescope. B) small diameter refracting telescope. C) large diameter refracting telescope. D) large diameter reflecting telescope.
The terrestrial planet with the most effective greenhouse effect is ____________________
Fill in the blank(s) with correct word
Because we have not found another planetary system like our own, we can conclude that our Solar System must be quite unusual
Indicate whether the statement is true or false
If the refractive index of the glass in a lens varies with wavelength, then which of the following results?
A) spherical aberration B) light scattering C) total reflection D) astigmatism E) chromatic aberration