The nuclear bulge of our galaxy
a. contains stars that are primarily population I stars.
b. is primarily composed of gas and dust.
c. contains stars primarily associated with the spherical component of our galaxy.
d. contains stars primarily associated with the disk component of our galaxy.
e. contains stars that are primarily population I stars, is primarily composed of gas and dust, and contains stars primarily associated with the disk component of our galaxy.
c
You might also like to view...
A child has a temperature of 101°F. If her total cross-sectional area is 2 m2, find the energy lost each second (in W) due to radiation, assuming the emissivity is 1 . (Assume the room temperature is 70°F.)
a. 217 b. 180 c. 90 d. 68 e. 850
The temperature of the Sun's interior is estimated to be about how many kelvins?
a. 1500 b. 15 million c. 5 billion d. 60,000
Inductors cannot store energy because they cannot store charge
A) True B) False
The best evidence for the existence of supermassive black holes is
A) very high orbital velocities in a very compact region. B) evidence for jet velocities that approach the speed of light. C) large quantities of high-energy emission such as X-rays and gamma rays, and radio emission from relativistic electrons. D) huge dark regions in the centers of galaxies, where black holes have been sucking in the galaxy from the inside out.