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