This photo shows an object located in the halo of our Milky Way galaxy. What kind of object is it?
A) a globular cluster of stars
B) an open cluster of stars
C) a spiral galaxy
D) a supergiant star
E) a "beehive" cluster
A) a globular cluster of stars
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Suppose that at a certain time a quanton has the (unrealistic) wave function shown below. 
If we were to perform an experiment to locate the quanton, what is the probability that the result will be ? 1 nm? (Assume that ? (x) = 0 at all points outside the picture.)
A. 1/8 B. 3/8 C. 1/12 D. 1/4 E. 5/12
A heat engine that in each cycle does positive work and loses energy as heat, with no heat energy input, would violate:
A. the zeroth law of thermodynamics B. the first law of thermodynamics C. the second law of thermodynamics D. the third law of thermodynamics E. Newton's second law
What is one advantage that primates have over other forms of life?
A) the ability to run fast B) extra-large brains C) the opposable thumb D) the ability to walk upright
What observational evidence supports the fact that our universe is static and unchanging?
a. detection of the cosmic microwave background (CMB) b. dark sky at night c. redshift of galaxies d. evolution of galaxies with distance e. None of the other choices are correct.