The open clusters were a population of relatively young stars, so where would you expect to see them from?
A.) In the halo with globular clusters.
B.) In the disk.
C.) In the bulge.
D.) Only around the Sun.
E.) Behind us.
Ans: B.) In the disk.
Physics & Space Science
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Which of the following quantities has the same dimensions as kinetic energy, 
?
Note: [[a]] = [[g]] = LT?2; [[h]] = L and [[v]] = LT?1.
A. ma B. mvx C. mvt D. mgh E. mgt
Physics & Space Science
The highest frequency visible light is
a. violet. b. red. c. blue. d. green. e. yellow.
Physics & Space Science
What is the Maxwell distribution?
What will be an ideal response?
Physics & Space Science
It takes Neptune a longer time to orbit the Sun than Earth does because Neptune
A) has much further to go. B) goes much slower. C) both of these D) none of these
Physics & Space Science