Most stars in the Milky Way probably formed:
A) alone.
B) in intergalactic space, then were swept up into the Galaxy.
C) in clusters in the Galaxy's spiral arms.
D) from planetary nebulae.
E) in the galactic Nucleus, then migrated outward later.
C
You might also like to view...
The main problem with early attempts to listen for radio signals from space was
A) that they were conducted at relatively low frequencies which have problems penetrating the Earth's upper atmosphere B) building receivers sensitive enough to detect extraterrestrial signals C) that they were conducted at relatively high frequencies which have problems penetrating the Earth's lower atmosphere D) interference by radio waves from the Sun
A 1 pF capacitor is connected in parallel with a 2 pF capacitor, the parallel combination then being connected in series with a 3 pF capacitor. The resulting equivalent capacitance is
A) 1.5 pF. B) 6 pF. C) 3 pF. D) 4.5 pF. E) 5 pF.
What is meant by stagnation point?
What will be an ideal response?
Steel pins are driven into asphalt pavement as shown in Figure 2-58. Estimate the heat transfer between a pin when it is at 60ºF and the surface when it is at 110ºF.
