In the inner solar nebula, only metals and silicates could form solids, so the _______________ planets grew slowly
Fill in the blank(s) with correct word
Terrestrial
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The luminosity of a star is the total amount of energy it radiates each second
a. True b. False Indicate whether the statement is true or false
Suppose that you were selected for a "Survivor"-type TV show. To help keep your group connected, you suggest that long vines can be tied together and used to transmit signals in cases of emergency. To get the signals to travel faster, you should
A. select lighter vines. B. increase the tension on the vines. C. hang weights from the vines at evenly spaced intervals. D. do all of the above. E. do (a) or (b) above, preferably both.
The mass of a single galaxy might be found by
a. the double galaxy method. b. the rotation curve method. c. the cluster method. d. any of the methods (i.e., double galaxy, rotation curve, cluster) e. none of these methods.
Eighteen days past new moon, the Moon's phase is waning gibbous
Indicate whether the statement is true or false