ASTRO 001 Exam 4 Questions and Verified Answers

ASTRO 001 Exam 4 Questions and Verified
Answers
1.


*Which is the smallest object?


a) a neutron star


b) the Solar System


c) the Sun


d) a dwarf galaxy


e) the Eagle nebula Correct Answer: 1a


a) a neutron star


2. *A galaxy has an H-alpha emission line observed at a wavelength 10


percent larger than the rest wavelength of H-alpha. What is the


redshift of the galaxy?


a) 10


b) 0.001


c) 0.1


d) 1


e) -0.001 Correct Answer: 2c


c) 0.1

, 3. What is in this image?


a) supernova remnant


b) irregular galaxy


c) planetary nebula


d) globular star cluster


e) star forming region Correct Answer: 3a


a) supernova remnant


4. *Which is more luminous?


a) nova


b) supernova


c) quasar


d) the Sun


e) white dwarf Correct Answer: 4c


c) quasar


5. *Which contains more stars?


a) an open star cluster


b) a globular star cluster


c) a spiral galaxy


d) the Solar System


e) the alpha Centauri star system Correct Answer: 5c