chapter-7 HSU – Flashcards
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On which planetary body can distinct evidence be seen for the flow of water at an earlier time?
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mars
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The gas that is the major constituent of the atmospheres of Venus and Mars and a minor constituent of the Earth's atmosphere is
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CO2
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What is the composition of Saturn's rings?
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water ice or ice-coated rock
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Venus
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has no magnetic field
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On which planet can we see prominent but variable ice caps?
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mars
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The geology and geography of the surface of the Venus is best described as
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mostly volcanic plains,with two continent-sized uplands,and a number of large volcanoes
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Which is the biggest planet in the solar system?
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Jupiter
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Jupiter has a magnetic field that is
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much more powerful than that of Earth
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Which is the only planet whose surface features can easily be seen through a telescope from Earth?
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Mars
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Which of the following features have NOT been seen or detected on Mars?
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active volcanoes
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Olympus Mons is
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a volcano on mars
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Which of the planets fits the following description: "A cool, solid surface, with a thin CO2 atmosphere and occasional dust clouds"?
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mars
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Where has water ice been found on Mercury?
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in permanently shadowed crater floors at north and south poles
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Tomorrow's weather report for Venus would be
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overcast and very hot
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Which is the least dense planet in the solar system?
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Saturn
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Saturn's moon, Titan, is different from all other moons of planets because
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it possesses a thick atmosphere
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Which is the hottest planet in the solar system, measured at the surface?
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venus
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Which of the following properties do the terrestrial planets, Mercury, Venus, Earth and Mars, have in common?
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they all have solid surfaces
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The four major moons of Jupiter are collectively named after which early astronomer?
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galileo
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Which of the Moons of Jupiter is characterized by an exceptionally smooth, icy surface, few craters, and many streaks and cracks?
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Europa
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The inner planets, in order of increasing planetary radius, are
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mercury mars venus earth
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Which planet has its rotation axis tilted at 98 degrees from the vertical to its orbit?
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uranus
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The reddish color of Mars is probably due to
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iron oxides such as rust
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What is the Great Red Spot?
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a large, long-lived possible permanent storm on Jupiter
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Neptune's high cirrus clouds consist of
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methane ice crystals
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What are the characteristics of the magnetic field of Uranus?
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It is tilted almost 60 degrees to the axis of planetary rotation and is offset from the planet's center.
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What are the Valles Marineris?
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A large rift valley system associated with the great volcanoes on Mars.
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Which is the largest planetary satellite in the solar system?
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Jupiter's satellite, Ganymede
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Where in the solar system would you look for liquid hydrogen?
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in the deep interiors of jupiter and saturn
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Which of the following planets has no moon?
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venus
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What is the major constituent of the atmosphere of Mars?
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CO2 (carbon dioxide)
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Which of the following planets rotates on its axis in a retrograde fashion, opposite to that of most of the planets and opposite to the direction of revolution of the planets?
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venus
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What are the characteristic features on the visible surface of Jupiter?
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Light and dark bands of clouds parallel to the equator.
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On which planet is the Great Red Spot found?
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Jupiter
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Phobos and Deimos are moons of which planet?
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Mars
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Which of the following physical properties of Venus are very similar in value to those of Earth?
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Mass and radius and hence average density and surface gravity.
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The Martian magnetic field is
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weak and localized, not at all like the global magnetic field of Earth.
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The highest daytime temperature reached on the surface of Mercury is
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430°C, high enough to melt lead and tin.
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Which planet has wide, bright rings that are easily visible from Earth?
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Saturn
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Which satellite of Jupiter is volcanically active?
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Io
