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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
Newton's first law of motion - ...ANSWER...✓✓an object at
rest or in motion in a straight line at a constant speed will
remain in that state unless acted upon by a force
Newton's second law of motion - ...ANSWER...✓✓The
acceleration of a body due to a force will be in the same
direction as the force, with a magnitude inversely
proportional to its mass
Newton's third law of motion - ...ANSWER...✓✓for every
action, there is an equal and opposite reaction
force equation - ...ANSWER...✓✓force = mass *
acceleration
The force of gravity by the sun keeps the planets in orbit
around it, but how do the planets affect the sun? -
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...ANSWER...✓✓they exert an equally strong pull on the
sun, causing it to move slightly
If i apply exactly the same amount of force to a pebble
and a boulder what will happen? - ...ANSWER...✓✓the
pebble will move faster
weight formula - ...ANSWER...✓✓weight = mass x gravity
how high are you jumping at 2x earth's mass? -
...ANSWER...✓✓half as high
since the jump height is half as high what does that tell
us about the gravity? - ...ANSWER...✓✓gravity is twice as
much
gravity equation - ...ANSWER...✓✓gravity = m/r^2
what causes seasons - ...ANSWER...✓✓the planet's tilt
with respect to plane in which they orbit the sun
equinox - ...ANSWER...✓✓12 hours of day, 12 hours of night
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What day do the equinoxes fall on and what months -
...ANSWER...✓✓the 21st of September and March
solstice - ...ANSWER...✓✓longest and shortest days of the
year
day and month each solstice falls on -
...ANSWER...✓✓December 21st, June 21st
two moons of mars - ...ANSWER...✓✓Phobos and deimos
solar eclipse - ...ANSWER...✓✓Occurs during moon's 'new'
phase when moon lies in direct line between sun and
earth
lunar eclipse - ...ANSWER...✓✓Occurs when moons is
opposite the sun from earth or during the full moon phase
moons phases in order, counter-clockwise -
...ANSWER...✓✓new moon → waxing crescent → first
quarter moon → waxing gibbous → full moon → waning
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gibbous → last quarter moon → waning crescent → new
moon (repeat)
how many phases a week does the moon go through -
...ANSWER...✓✓approx 2
how much is the moon illuminated at all times -
...ANSWER...✓✓50%
waning - ...ANSWER...✓✓less illuminated in coming days
waxing - ...ANSWER...✓✓more illuminated in coming days
how long is the moon in transit for - ...ANSWER...✓✓6
hours
when does the moon rise and set for a full moon -
...ANSWER...✓✓6am and 6pm
where does moon rise and set - ...ANSWER...✓✓rises in
east, sets in west
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
Newton's first law of motion - ...ANSWER...✓✓an object at
rest or in motion in a straight line at a constant speed will
remain in that state unless acted upon by a force
Newton's second law of motion - ...ANSWER...✓✓The
acceleration of a body due to a force will be in the same
direction as the force, with a magnitude inversely
proportional to its mass
Newton's third law of motion - ...ANSWER...✓✓for every
action, there is an equal and opposite reaction
force equation - ...ANSWER...✓✓force = mass *
acceleration
The force of gravity by the sun keeps the planets in orbit
around it, but how do the planets affect the sun? -
,2|Page
...ANSWER...✓✓they exert an equally strong pull on the
sun, causing it to move slightly
If i apply exactly the same amount of force to a pebble
and a boulder what will happen? - ...ANSWER...✓✓the
pebble will move faster
weight formula - ...ANSWER...✓✓weight = mass x gravity
how high are you jumping at 2x earth's mass? -
...ANSWER...✓✓half as high
since the jump height is half as high what does that tell
us about the gravity? - ...ANSWER...✓✓gravity is twice as
much
gravity equation - ...ANSWER...✓✓gravity = m/r^2
what causes seasons - ...ANSWER...✓✓the planet's tilt
with respect to plane in which they orbit the sun
equinox - ...ANSWER...✓✓12 hours of day, 12 hours of night
,3|Page
What day do the equinoxes fall on and what months -
...ANSWER...✓✓the 21st of September and March
solstice - ...ANSWER...✓✓longest and shortest days of the
year
day and month each solstice falls on -
...ANSWER...✓✓December 21st, June 21st
two moons of mars - ...ANSWER...✓✓Phobos and deimos
solar eclipse - ...ANSWER...✓✓Occurs during moon's 'new'
phase when moon lies in direct line between sun and
earth
lunar eclipse - ...ANSWER...✓✓Occurs when moons is
opposite the sun from earth or during the full moon phase
moons phases in order, counter-clockwise -
...ANSWER...✓✓new moon → waxing crescent → first
quarter moon → waxing gibbous → full moon → waning
, 4|Page
gibbous → last quarter moon → waning crescent → new
moon (repeat)
how many phases a week does the moon go through -
...ANSWER...✓✓approx 2
how much is the moon illuminated at all times -
...ANSWER...✓✓50%
waning - ...ANSWER...✓✓less illuminated in coming days
waxing - ...ANSWER...✓✓more illuminated in coming days
how long is the moon in transit for - ...ANSWER...✓✓6
hours
when does the moon rise and set for a full moon -
...ANSWER...✓✓6am and 6pm
where does moon rise and set - ...ANSWER...✓✓rises in
east, sets in west
