Astronomy Test Review Question Preview (ID: 41280)
Review For Astronomy Unit Exam.
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Which movement is responsible for day and night?
a) revolution
b) precession
c) nutation
d) rotation
What is the shape of a planet's orbit around the Sun?
a) circle
b) a straight line
c) ellipse
d) irregular
What is it called when the Earth is CLOSEST to the Sun?
a) aphelion
b) perihelion
c) during an eclipse
d) at the foci
What causes the Earth to have seaons?
a) the rotation of Earth on its axis
b) the tilt of Earth's axis
c) nutation
d) the barycenter of the Sun
Which of the following best summarizes Kepler's third law of motion?
a) the farther a planet is from the Sun, the shorter the period of revolution
b) the farther a planet is from the Sun, the longer the period of revolution
c) all planets have the same period of revolution
d) all planets are an equal distance from the Sun
Which of the following is a TRUE statement regarding Kepler's planetary laws?
a) the path a planet takes around the Sun is a circle
b) the closer a planet is to the Sun, the slower it moves in its orbit
c) the time it takes a planet to revolve is proportional to its distance from the Sun
d) the galaxies are getting bigger
What lies at the center of our solar system?
a) Mercury
b) Pluto
c) Halley's comet
d) the Sun
How and when a star dies depends upon its ________.
a) luminosity
b) temperature
c) density
d) mass
In order , the five stages of a low-mass star (like the Sun) are:
a) protostar, massive star, supergiant, nova, black hole
b) protostar, main sequence, supergiant, nova, black hole
c) protostar, main sequence, giant, planetary nebula, neutron star
d) protostar, main sequence, giant, planetary nebula, white dwarf
What is a light-year?
a) the distance light travels in a year
b) the time it takes to travel to a star
c) the speed of light in a year
d) the distance to the sun
The most massive star will end with this explosionL
a) nova
b) supernova
c) pulsar
d) quasar
Which of the following is evidence for the Big Bang Theory?
a) cosmic foreground radiation
b) red shift
c) blue shift
d) global warming
The universe began about
a) 15 million years ago
b) 4.6 billion years ago
c) 14 billion years ago
d) 50 billion years ago
What time frame is based on this celestial observation: full moon to the next full moon?
a) 1 Day
b) 1 Week
c) 1 Month
d) 1 Year
What is the phase of the moon needed for a solar eclipse?
a) new
b) first quarter
c) full
d) third quarter
The Moon has a greater effect on ocean tides than the Sun because the Moon is
a) closer to Earth.
b) brighter.
c) heavier.
d) smaller.
Kepler's first law of planetary motion states that
a) the Sun is a the center of the solar system.
b) planets orbit the Sun in elliptical orbits, with the Sun located at one foci.
c) planets orbit the Sun in circular orbits, with the Sun located at the center.
d) gravity provides the force that holds the planets in orbit about the Sun.
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