The ____ of an object depends on the diameter of the object and the distance to the object
a. apparent brightness
b. apparent magnitude
c. zenith
d. angular diameter
e. color
D
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The model we have constructed in this chapter neglects feedback effects that might accelerate or brake the warming. It is possible that higher temperatures will yield increased evaporation and increased cloud cover. Will this accelerate or brake the warming compared to the predictions of the model in the text?
A. Accelerate B. Brake C. No change
The largest known black holes
A) can be no bigger than a small city, just like neutron stars. B) can be no bigger than the Earth, like white dwarfs. C) lie in the cores of the most massive galaxies. D) create the dark nebulae in the plane of the Milky Way. E) can be no more than 1.4 solar masses, according to Chandrasekhar.
The amount of friction that occurs when two blocks slide against each other depends on
A) how much they are pressed together. B) the "stickiness" of atoms on their surfaces. C) the kinds of material being pressed. D) all of the above
Which of the following is not one of the major factors influencing surface temperature?
What will be an ideal response?