ASTRO 1 EXAM 1 PSU EXAMINATION TEST
2026 FULL 50 QUESTIONS AND DETAILED
SOLUTIONS GRADED A+
⩥ In the spectroscopy game, what did you do to produce emission lines
in the spectrum? Answer: excite the gas in the box
⩥ What type of light does not get through earth's atmosphere? Answer:
x-ray
⩥ is light a particle or a wave? Answer: both
⩥ if a telescope in space is only 1/4 the diameter of a telescope on earth,
which of the following is true? Answer: the space telescope has a higher
magnification than the larger telescope on the ground
⩥ lower-energy radiation has Answer: longer wavelengths
⩥ from earth, which constellation might you find the planet saturn?
Answer: taurus
⩥ two weeks after the 3rd quarter moon is the Answer: first quarter
moon
, ⩥ for a star close to the north star, how long does it take to move in a
circle the whole way around the north star? Answer: 24 hours
⩥ An electron in a sodium atom absorbs a photon of light and moves to
the next highest energy level, what will happen? Answer: the electron
will eventually emit a photon with the same energy as the one it
absorbed
⩥ how many constellations are not zodiac constellations? Answer: 75 or
76
⩥ A star is a hot dense gas surrounded by a cooler, low density
atmosphere. What type of spectrum will a star create? Answer:
absorption spectrum
⩥ What did Newton's law of universal gravitation tell us about how
gravity works? Answer: the force of gravity from the sun will be
stronger on a larger mass object
⩥ how often is the sun in front of a zodiac constellation? Answer:
always
⩥ as compared to a cool star, a hotter star emits: Answer: shorter
wavelength, higher frequency blue color
2026 FULL 50 QUESTIONS AND DETAILED
SOLUTIONS GRADED A+
⩥ In the spectroscopy game, what did you do to produce emission lines
in the spectrum? Answer: excite the gas in the box
⩥ What type of light does not get through earth's atmosphere? Answer:
x-ray
⩥ is light a particle or a wave? Answer: both
⩥ if a telescope in space is only 1/4 the diameter of a telescope on earth,
which of the following is true? Answer: the space telescope has a higher
magnification than the larger telescope on the ground
⩥ lower-energy radiation has Answer: longer wavelengths
⩥ from earth, which constellation might you find the planet saturn?
Answer: taurus
⩥ two weeks after the 3rd quarter moon is the Answer: first quarter
moon
, ⩥ for a star close to the north star, how long does it take to move in a
circle the whole way around the north star? Answer: 24 hours
⩥ An electron in a sodium atom absorbs a photon of light and moves to
the next highest energy level, what will happen? Answer: the electron
will eventually emit a photon with the same energy as the one it
absorbed
⩥ how many constellations are not zodiac constellations? Answer: 75 or
76
⩥ A star is a hot dense gas surrounded by a cooler, low density
atmosphere. What type of spectrum will a star create? Answer:
absorption spectrum
⩥ What did Newton's law of universal gravitation tell us about how
gravity works? Answer: the force of gravity from the sun will be
stronger on a larger mass object
⩥ how often is the sun in front of a zodiac constellation? Answer:
always
⩥ as compared to a cool star, a hotter star emits: Answer: shorter
wavelength, higher frequency blue color
