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