Navigation » List of Schools » California State University, Northridge » Astronomy » Astronomy 154 – Elementary Astronomy » Spring 2022 » Assignment 4
Below are the questions for the exam with the choices of answers:
Question #1
A eccentricity
B aphelion
C perihelion
D parallax
E semimijor axis
F focus
Question #2
A Galileo
B Ptolemy
C Newton
D Copernicus
Question #3
A perigee
B apogee
C perihelion
D parallax
E aphelion
Question #4
A take longer to revolve around the Sun.
B have more gravity.
C have more elliptical orbits.
D have more mass.
E take longer to rotate on their axis.
Question #5
A off center, but along neither axis
B off center and along the shorter axis
C at the center of the ellipse
D off center and along the longer axis
Question #6
A ellipse, sun, one axis
B parallel, planets, one orbit
C eccentric, sun, one focus
D ellipse, sun, one focus
Question #7
A has four moons orbiting it.
B undergoes a full set of phases as seen from Earth.
C has mountains on its surface.
D is made of gases.
E undergoes retrograde motion.
Question #8
A Venus appearing brighter than Jupiter
B a complete cycle of phases
C a changing distance from Earth
D high temperatures
E Venus rising in the morning
Question #9
A inventing the telescope
B measuring the properties of supernovae
C showing that heavy objects fall slower than lighter objects
D proving Kepler’s laws were correct
E observing mountains on the Moon
Question #10
A This star is much farther away than the moon and that the heavens are not perfect and unchanging.
B This star is farther than the moon and thus could have blown the sun away.
C This star is planet-like.
D This star is closer than the moon and thus stars are not all at the same distance.
E This star is closer than the moon and thus smaller than other stars.
Question #11
A detailed and precise observations
B sun centered solar system
C the law of gravity
D elliptical orbits
E epicycles
Question #12
A parallax
B eccentricity
C perihelion
D aphelion
Question #13
A Mercury and Venus move around the Sun
B uniform circular motion
C elliptical orbits
D Earth is stationary and at the center
E Mars, Jupiter, and Saturn move around the Earth
Question #14
A What appears to be forward and retrograde motion of the planets is naturally due to their motion around us.
B All of the spheres revolve around the Sun.
C The celestial spheres do not have just one common center.
D The motions of the Sun are not its motions, but the motions of the Earth.
Question #15
A the Earth moves backwards along its epicycle.
B the planets passes the Earth while they orbit.
C the planet moves backward along its epicycle.
D the planets moves backward on its orbit.
E the Earth moves backwards along its orbit.
F Earth passes the planet while they orbit.
Question #16
A aphelion
B retrograde
C parallax
D eccentricity
Question #17
A He was the first to create a model of the solar system that placed the Sun rather than the Earth at the center.
B developed the first model of the solar system that made sufficiently accurate predictions of planetary positions.
C He was the first to believe that the orbits of the planets are ellipses.
D developed the first scientific model of the universe
Question #18
A an ancient mode of thinking first invented in Egypt
B a difficult process that only a handful of people can do well
C completely different from any other type of thinking
D based on everyday ideas of observation and experiments
E produced by computers