The traditional theory of the formation of our galaxy cannot explain
a. the existence of the disk of the galaxy
b. the fact that the oldest stars in the galaxy are not metal free.
c. the spherical distribution of the globular clusters
d. the difference in metal abundance of the population I and II stars.
e. the existence of the nuclear bulge.
B
You might also like to view...
While a variety of factors can produce red shifts in the spectrum, the one associated with the expansion of the universe is called
A) universal. B) cosmological. C) olberian. D) relativistic. E) the Zeeman Effect.
About how high can water at sea level be theoretically lifted by a vacuum pump?
A) less than 10.3 m B) 10.3 m C) more than 10.3 m
A single slit, which is 0.050 mm wide, is illuminated by light of 550 nm wavelength. What is the angular separation between the first two minima on either side of the central maximum?
A) 0.36° B) 0.47° C) 0.54° D) 0.63° E) 1.3°
Force on a Moving Charge: A positive charge is moving to the right and experiences an upward magnetic force, as shown in the figure. In which direction must the magnetic field have a component?
A. to the right B. to the left C. upward D. out of the page E. into the page