"Spikes" seen in images of stars are caused by ________.
A. disruption from nearby light sources
B. diffraction from the telescope support structures
C. dispersion from the telescope's primary lens
D. deflection from the inner surfaces of the telescope
Answer: B
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The heating of a planet or satellite because of friction caused by stretching due to the gravitational influence of a nearby body is referred to as _____
A) friction factorization B) tidal heating C) gravitational heating D) atomic friction
What would the Venus "no greenhouse" temperature be if its clouds were more transparent, giving a reflectivity the same as Earth's?
The inhabitants of a planet in another galaxy have their eyes at the exact center of their 4.0-m long bodies. How long must a plane mirror be for such a creature to be able to see all of its body in the mirror?
a. 1.0 m b. 2.0 m c. 2.5 m d. 4.0 m e. 8.0 m
Ultraviolet light has wavelengths longer than violet light
Indicate whether the statement is true or false