Chapters 15 & 16
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Most of the Moon's craters were produced by ___. | the impact of debris (meteoroids)
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| Which of the following is most likely to be associated both with the impact craters and with volcanic calderas that originate by collapse? | landslides and other mass wasting movements along the walls of the depression
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| Which of the following statements concerning ring satellites of the planets is true? | consist of concentrations of particles generally smaller than 10 meters in diameter
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| The high temperatures of this planet have been attributed to the greenhouse effect. | Venus
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| The belt(orbit) of the asteroids is located between | Jupiter and Mars
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| _______ meteorites are thought to be analogous in composition to Earth's core. | Iron
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| Which one of the terrestrial planets has a surface landscape similar to that of the older areas of the Moon? | Mercury
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| Which one of the following is not found on Mars? | H2O-rich atmosphere
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| The first modern astronomer to propose a Sun-centered universe was ______. | Nicolaus Copernicus
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| The smallest planet in the solar system is | Mercury
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| The _______ explains how our solar system probably formed from a giant cloud of gases and dispersed sold particles. | nebular hypothesis
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| ______refers to th bright head of a comet. | Coma
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| The surface features of _____ are known only through satellite radar mapping. | Venus
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| Galileo observed several features using the telescope. Which one of the following did he NOT discover? | the two moons of Mars
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| In the Ptolemaic (Greek) model of the universe the _____. | Earth was in the center of the universe
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| _____ has a hot, turbulent atmosphere dominated by carbon dioxide. | Venus
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| Carbon Dioxide is the major gas in the atmosphere of Venus. | True
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| Which one of the following is not true of Jupiter? | a rotational speed slower than Mercury
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| ____, a moon orbiting Jupiter, has an unusually smooth uncratered, ice-covered surface. | Europa
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| Which of these lunar features is the oldest? | lunar highlands
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| This scientist was the first to use the telescope in astronomy. | Galileo
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| As the solar system was forming, _____came closest to undergoing nuclear fusion and becoming a second sun. | Jupiter
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| ____ is the principal gas in the Venusian atmosphere and also a minor component of the atmospheres of Earth and Mars | Carbon Dioxide
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| ____ has the great, dark spot on its surface. | Neptune
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| One of the discoveries which led to the modern view of the solar system was that the orbits of the planets are _____. | ellipses
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| According to the Ptolemaic (Greek) maodel of the universe, how many "heavenly" bodies could be observed wandering along the background of stars? | seven
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| Compared to the density of liquid water (1 gram/cc), the appropriate range in average densities of the terrestrial planets is ____. | 4 to 6 grams/cc
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| This scientist determined the nature of the forcees that kept the planets in their orbits. | Sir Isaac Newton
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| Three laws of planetary motion were discovered by____. | Johannes Kepler
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| The apparent westward drift of the planets compared to the background stars is called ____. | retrograde motion
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| One of the most common units used to express stellar distance is the ____. | Light-year
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| The distance to the stars can be determined from ____. | stellar parallax
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| Hubble's law states that galaxies are receding from us at a speed that is proportional to their ___. | Distance
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| The discovery that the universe appears to be expanding led to a widely accepted theory called ______. | The Big Bang Theory
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| Based on the observed red shifts in the spectral lines of distant galaxies, astronomers conclude that ______. | the universe is expanding
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| Which one of the objects listed below has the largest size? | galaxies
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| The final stage for a star which is as massive as the Sun is a | black dwarf
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| The final stage in the evolution of the most massive stars is a ______. | black hole
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| A star in which light cannot escape because of the immense gravitational pull at its surface is called a _____. | black hole
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| The Sun belongs to this class of stars. | main-sequence star
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| Which color stars have the coolest surface temperature? | red
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| Most stars are in this stage of evolution. | main-sequence star
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| This property of a star can be detemined from its color. | surface temperature
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| These stars produced during a supernova event. | black hole
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| Which main-sequence stars are the most massive? | blue
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| The measure of a star's brightness is called the _______. | magnitude
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| The most dense stars known to exist are | black holes
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| Possibly the most cataclysmic event to occur in nature is ____. | supernova
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| When a main-sequence star has exhausted the fuel in the inner region, it becomes a ____. | red giant
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| Which main-sequence stars are the least massive | red
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| Our galaxy is called the _______. | Milky Way Galaxy
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| The point in stellar evolution when a star has used up all its fuel and is radiating away its remaining thermal energy as light is the ________ stage. | white dwarf
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| The Sun is considered an average star. | true
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| Which color stars have the highest surface temperature? | blue
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