AST1002 EXAM 2 ACTUAL TEST QUESTIONS
AND SOLUTIONS GRADED A+ PREMIUM
RESOURCE
●● The EM spectrum of light can also be arranged in terms of
wavelength. Which part of the EM spectrum has the longest
wavelength?
Answer: Radio waves
●● Which of the following types of light travels at the fastest speed?
Answer: They all travel at the same speed.
●● Which of the images above would result in an emission type spectra?
Answer: Light going through gas cloud with the light source not being
visible.
●● Which of the following is an absorption spectra?
Answer: Color spectrum with black divisions.
●● Based upon the spectra graph above, which star is the hottest star?
Answer: Star with the smallest wavelength.
, ●● Which star above is the brightest star?
Answer: Star B, highest energy output per second.
●● Which star above would appear red?
Answer: Star C
●● Stars that are ________ are hot stars and stars that are _______ are
cool stars. Since the sun is yellow in color this indicates that it is a
_______star.
Answer: Blue, Red, average
●● Stars with the hottest temperatures have a spectral classification of?
Answer: O
●● By analyzing the spectra of stars and galaxies, astronomers can
determine a star's or galaxy's?
Answer: Temperature, motion, and composition.
●● The aperature with the greatest light gathering power is?
Answer: The least value of F.
●● You are out in an open field and observing the night sky when you
finally get to see the moons of Jupiter. Which of the following would
AND SOLUTIONS GRADED A+ PREMIUM
RESOURCE
●● The EM spectrum of light can also be arranged in terms of
wavelength. Which part of the EM spectrum has the longest
wavelength?
Answer: Radio waves
●● Which of the following types of light travels at the fastest speed?
Answer: They all travel at the same speed.
●● Which of the images above would result in an emission type spectra?
Answer: Light going through gas cloud with the light source not being
visible.
●● Which of the following is an absorption spectra?
Answer: Color spectrum with black divisions.
●● Based upon the spectra graph above, which star is the hottest star?
Answer: Star with the smallest wavelength.
, ●● Which star above is the brightest star?
Answer: Star B, highest energy output per second.
●● Which star above would appear red?
Answer: Star C
●● Stars that are ________ are hot stars and stars that are _______ are
cool stars. Since the sun is yellow in color this indicates that it is a
_______star.
Answer: Blue, Red, average
●● Stars with the hottest temperatures have a spectral classification of?
Answer: O
●● By analyzing the spectra of stars and galaxies, astronomers can
determine a star's or galaxy's?
Answer: Temperature, motion, and composition.
●● The aperature with the greatest light gathering power is?
Answer: The least value of F.
●● You are out in an open field and observing the night sky when you
finally get to see the moons of Jupiter. Which of the following would
