When will the full moon be highest above the southern horizon for an observer in the Northern Hemisphere?
a. at midnight near the summer solstice
b. at midnight near the vernal equinox
c. at midnight near the winter solstice
d. at midnight near the vernal equinox
e. The angle between the southern horizon and the full moon at midnight does not change with the seasons.
Question 2
A spectroscopic binary shows periodic variations in its
a. radial velocity.
b. proper motion.
c. brightness.
d. mass.
e. spectral type.