ASTRO 1 PSU FINAL EXAM PREP TEST BANK LATEST
2025 WITH 430 EXAM PRACTICE QUESTIONS AND
CORRECT VERIFIED ANSWERS/ PSU ASTRO 1 EXAM
PREP QUESTIONS BANK/ ASTRONOMY
Which of the following statements about eclipses are true? Select all that apply.
A. a total solar eclipse is visible from half of Earth
B. lunar eclipses occur during the new Moon
C. solar eclipses occur when the Moon is in opposition
D. total solar eclipses occur roughly every 360 years for a given location on Earth
E. only a small portion of the Sun can be covered by a solar eclipse - ANSWER-D.
total solar eclipses occur roughly every 360 years
What did Aristotle use to explain the phenomenon that caused planets to appear as
if they were moving backwards (and then forward again) in space?
A. parallax as one planet passes by another
B. the motion of Earth around the Sun
C. a shooting star
D. epicycles
E. precession of Earth's spin axis - ANSWER-D. epicycles
If Earth was compressed so that its radius was 4 times smaller, but the mass stayed
the same, the force of gravity felt at its surface would be...
A. 2 times weaker
,B. 2 times stronger
C. 4 times weaker
D. 4 times stronger
E. 16 times weaker
F. 16 times stronger - ANSWER-E. 16 times weaker
Why do we see the Moon appear to go through phases as seen from Earth?
A. The Moon reflects "Earthshine", so it depends on how much light from the
Earth is hitting the Moon
B. As the Moon rotates, it presents a different phase to us over the course of its
"day".
C. Depending on where the Moon is along its orbit, we see different amounts of its
illuminated side
D. The Earth's shadow blocks out part of the Moon from time to time - ANSWER-
C. Depending on where the Moon is along its orbit, we see different amounts of its
illuminated side
The Zodiac constellations are
A. directly above the North Pole and South Pole
B. distributed fairly evenly over the northern portion of the celestial sphere
,C. aligned with the Earth's orbit around the Sun
D. distributed fairly evenly over the entire celestial sphere
E. directly above the Earth's equator - ANSWER-C. aligned with the Earth's orbit
around the Sun
In 13,000 years, July will occur during winter in the northern hemisphere
True of false? - ANSWER-False
Over a period of a few hours, you see the Moon rising above the horizon. This
motion is mostly due to
A. Moon's spin
B. Moon's orbit around Earth
C. Earth's spin
D. Earth's orbit around Sun - ANSWER-C. Earth's spin
The season during which we see a constellation at night changes over time because
of the
A. Earth's orbit around the Sun
B. precession of Earth's spin axis
C. Earth's spin
, D. tilt of the Earth's spin axis relative to the Earth's orbit
E. the elliptical shape of the Earth's orbit - ANSWER-B. precession of Earth's spin
axis
Which of the following are true? Select all that apply.
A. If Earth is moving through space, stars should exhibit parallax motion
B. Aristotle detected parallax motion of stars
C. Planets exhibit parallax motion, but it is too small to see with the naked eye
D. Aristotle believed in the geocentric model of the solar system - ANSWER-A. If
Earth is moving through space, stars should exhibit parallax motion
D. Aristotle believed in the geocentric model of the solar system
If the time is midnight and Mars is in opposition, where is Mars in the sky?
A. on the horizon and rising
B. on the horizon and setting
C. on the meridian
D. beneath you
E. Mars can never appear in opposition - ANSWER-C. on the meridian
Earth experiences seasons because
2025 WITH 430 EXAM PRACTICE QUESTIONS AND
CORRECT VERIFIED ANSWERS/ PSU ASTRO 1 EXAM
PREP QUESTIONS BANK/ ASTRONOMY
Which of the following statements about eclipses are true? Select all that apply.
A. a total solar eclipse is visible from half of Earth
B. lunar eclipses occur during the new Moon
C. solar eclipses occur when the Moon is in opposition
D. total solar eclipses occur roughly every 360 years for a given location on Earth
E. only a small portion of the Sun can be covered by a solar eclipse - ANSWER-D.
total solar eclipses occur roughly every 360 years
What did Aristotle use to explain the phenomenon that caused planets to appear as
if they were moving backwards (and then forward again) in space?
A. parallax as one planet passes by another
B. the motion of Earth around the Sun
C. a shooting star
D. epicycles
E. precession of Earth's spin axis - ANSWER-D. epicycles
If Earth was compressed so that its radius was 4 times smaller, but the mass stayed
the same, the force of gravity felt at its surface would be...
A. 2 times weaker
,B. 2 times stronger
C. 4 times weaker
D. 4 times stronger
E. 16 times weaker
F. 16 times stronger - ANSWER-E. 16 times weaker
Why do we see the Moon appear to go through phases as seen from Earth?
A. The Moon reflects "Earthshine", so it depends on how much light from the
Earth is hitting the Moon
B. As the Moon rotates, it presents a different phase to us over the course of its
"day".
C. Depending on where the Moon is along its orbit, we see different amounts of its
illuminated side
D. The Earth's shadow blocks out part of the Moon from time to time - ANSWER-
C. Depending on where the Moon is along its orbit, we see different amounts of its
illuminated side
The Zodiac constellations are
A. directly above the North Pole and South Pole
B. distributed fairly evenly over the northern portion of the celestial sphere
,C. aligned with the Earth's orbit around the Sun
D. distributed fairly evenly over the entire celestial sphere
E. directly above the Earth's equator - ANSWER-C. aligned with the Earth's orbit
around the Sun
In 13,000 years, July will occur during winter in the northern hemisphere
True of false? - ANSWER-False
Over a period of a few hours, you see the Moon rising above the horizon. This
motion is mostly due to
A. Moon's spin
B. Moon's orbit around Earth
C. Earth's spin
D. Earth's orbit around Sun - ANSWER-C. Earth's spin
The season during which we see a constellation at night changes over time because
of the
A. Earth's orbit around the Sun
B. precession of Earth's spin axis
C. Earth's spin
, D. tilt of the Earth's spin axis relative to the Earth's orbit
E. the elliptical shape of the Earth's orbit - ANSWER-B. precession of Earth's spin
axis
Which of the following are true? Select all that apply.
A. If Earth is moving through space, stars should exhibit parallax motion
B. Aristotle detected parallax motion of stars
C. Planets exhibit parallax motion, but it is too small to see with the naked eye
D. Aristotle believed in the geocentric model of the solar system - ANSWER-A. If
Earth is moving through space, stars should exhibit parallax motion
D. Aristotle believed in the geocentric model of the solar system
If the time is midnight and Mars is in opposition, where is Mars in the sky?
A. on the horizon and rising
B. on the horizon and setting
C. on the meridian
D. beneath you
E. Mars can never appear in opposition - ANSWER-C. on the meridian
Earth experiences seasons because
