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