Quiz
Asteroids
4 years ago by
craniumfire
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  • Question 1
    30 seconds
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    Q. In the diagram of the solar system, where is the big gap that bugged astronomers?
    answer choices
    between Mars and Jupiter
    between Jupiter and Saturn
    between Saturn and Uranus
    between Uranus and Neptune
  • Question 2
    30 seconds
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    Q. Giuseppe Piazzi's discovery, the first known asteroid, was named _____
    answer choices
    Ceres
    Vesta
    Lutetia
    Gaspra
  • Question 3
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    Q. The word 'asteroid' literally means _____
    answer choices
    little dot
    star-like
    tiny point
    brilliant one
  • Question 4
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    Q. How many asteroids have been discovered to date?
    answer choices
    450
    thousands
    tens of thousands
    hundreds of thousands
  • Question 5
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    Q. In our solar system, there are probably over a million asteroids larger than _____
    answer choices
    1 km in size
    10 km in size
    100 km in size
    500 km in size
  • Question 6
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    Q. What percentage of asteroids are carbonaceous, which means they have lots of carbon in them?
    answer choices
    35%
    55%
    75%
    95%
  • Question 7
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    Q. One sixth of the asteroids are silicon-based rock, and are called _____.
    answer choices
    silicaceous
    stoney
    metalloids
    SA Type
  • Question 8
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    Q. So many asteroids orbit the sun between Mars and Jupiter that this region is now called _____
    answer choices
    the central region
    the M-J divide
    the Kirkwood Gap
     the main belt
  • Question 9
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    Q. Asteroid deserts, or gaps in the main belt, are a result of _____
    answer choices
    tugs from Jupiter's gravity
    collisions with other asteroids
    defects during formation
    interactions with inner planets
  • Question 10
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    Q. On average, how far apart are decent-sized asteroids?
    answer choices
    dozens of kilometers apart
    hundreds of kilometers apart
    thousands of kilometers apart
     millions of kilometers apart
  • Question 11
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    Q. Ceres, the largest object in the main belt, is about _____ across
    answer choices
    9 km
    90 km
    900 km
    9000 km
  • Question 12
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    Q. Ceres has a water-ice mantle which probably contains _____
    answer choices
    more than all the water on Earth
    almost as much water as on Earth
    more than all the freshwater on Earth
    almost as much as the freshwater on Earth
  • Question 13
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    Q. What is the term for a solid, such as the ice on Ceres, turning directly into a gas?
    answer choices
    sublimation
    condensation
    deposition
    evaporation
  • Question 14
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    Q. What is the name of the third largest, but second most massive, known asteroid?
    answer choices
    Ceres
    Vesta
    Lutetia
    Gaspra
  • Question 15
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    Q. What's the specific name for a roundish object that's like a ball, but squished from above?
    answer choices
    paraboloid
    prolate spheroid
    oblate spheroid
    ellipsoid
  • Question 16
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    Q. Cleopatra, a weird dog-bone shaped rock, has _____
    answer choices
    no moons
    one moon
    two moons
    three moons
  • Question 17
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    Q. In astronomy, individual rocks held together by their own gravity are called _____
    answer choices
    a rubble pile
    a gravel heap
    a cracked rock
    a coalesced monolith
  • Question 18
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    Q. Asteroids that have orbits that cross the orbit of Mars are called _____
    answer choices
    inner belt asteroids
    red path asteroids
    martian transits
    Mars-crossing asteroids
  • Question 19
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    Q. Asteroids that cross Earth's orbit, but still reside mostly outside it, are called _____
    answer choices
    inner belt asteroids
    Apollo asteroids
    Aten asteroids
    Earth-crossing asteroids
  • Question 20
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    Q. Asteroids that have orbits that are almost entirely inside Earth's orbit are called _____
    answer choices
    inner belt asteroids
    Apollo asteroids
    Aten asteroids
    Earth-crossing asteroids
  • Question 21
    30 seconds
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    Q. The points along a planet's orbit where the gravitational forces are in balance are called _____
    answer choices
    Lagrange points
    Trojan points
    Newton points
    Etan points
  • Question 22
    30 seconds
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    Q. Asteroids that sit at Lagrange points of planets are called _____
    answer choices
    Greek asteroids
    Trojan asteroids
    Achilles asteroids
    Etan asteroids
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