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