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The Oort Cloud & Outer Solar System
3 years ago by
craniumfire
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  • Question 1
    30 seconds
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    Q. Comets lose material when they get near ___
    answer choices
    planets
    other comets
    the Sun
    the outer solar system
  • Question 2
    30 seconds
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    Q. How long ago was our solar system formed?
    answer choices
    about 4.5 million years ago
    about 9.2 million years ago
    about 4.5 billion years ago
    about 9.2 billion years ago
  • Question 3
    30 seconds
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    Q. Out in the chillier part of the Solar System, water came in the form of ___
    answer choices
    liquid water
    ice mixed with dust
    vapor mixed with dust
    water vapor
  • Question 4
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    Q. The discussed model, describing the evolution of the Solar System, was named after ___
    answer choices
    the city of Nice, France
    Neapolitan ice cream
    the city of Rome, Italy
    the planet Jupiter
  • Question 5
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    Q. During the formation of the Solar System, which planet had the biggest effect on the iceballs?
    answer choices
    Mars
    Saturn
    Uranus
    Neptune
  • Question 6
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    Q. The intense shower of objects that came screaming down from the outer solar system is called ___
    answer choices
    the Early Heavy Cataclysm
    the Late Heavy Cataclysm
    the Early Heavy Bombardment
    the Late Heavy Bombardment
  • Question 7
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    Q. The doughnut-shaped region, just past Neptune, where icy objects have stable orbits is called ___
    answer choices
    the Gerard Belt
    the Scattered Disk
    the Kuiper Belt
    the Kuiper Disk
  • Question 8
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    Q. The second region of objects, composed of iceballs with highly tilted orbits, is called ___
    answer choices
    the scattered disk
    the Kuiper disk
    the Kuiper Belt
    the concentrated ring
  • Question 9
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    Q. The scattered disk extends about ___ times farther out than Neptune.
    answer choices
    2
    5
    25
    50
  • Question 10
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    Q. The third region of icy objects, a spherical cloud which starts roughly 300 billion kilometers out, is called ___
    answer choices
    the Oort Cloud
    the Oort Disk
    the Kuiper Cloud
    the scattered disk
  • Question 11
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    Q. The Oort Cloud starts about 70 times farther out than Neptune and extends as much as ___
    answer choices
    half a light year
    a light year
    ten light years
    70 light years
  • Question 12
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    Q. Comets that originate in the Oort Cloud have long orbits that are close to being ___
    answer choices
    circular
    elliptical
    parabolic
    hyperbolic
  • Question 13
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    Q. The Oort Cloud is the origin of ___
    answer choices
    short period asteroids
    long period asteroids
    short period comets
    long period comets
  • Question 14
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    Q. The scattered disk is the source of  ___
    answer choices
    short period asteroids
    long period asteroids
    short period comets
    long period comets
  • Question 15
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    Q. What was the first Kuiper Belt Object to be discovered?
    answer choices
    Neptune
    Pluto
    Halley's Comet
    Comet Hale–Bopp
  • Question 16
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    Q. Pluto orbits the Sun on an elliptical, mildly-tilted path, which brings it closer to the Sun than ___
    answer choices
    Uranus
    Saturn
    Jupiter
    Neptune
  • Question 17
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    Q. Whenever Pluto is closest to the Sun, Neptune is always ___
    answer choices
    near enough to collide
    90° away in its orbit
    well above the plane of the solar system
    180° away in its orbit
  • Question 18
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    Q. Small bodies in the region of the Kuiper Belt and in resonance with Neptune are called ___
    answer choices
    Neptunos
    Neutrinos
    Plutinos
    Kuiperos
  • Question 19
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    Q. After discovering Pluto, how long was it until the next Kuiper Belt object was found?
    answer choices
    less than 6 months
    about two years
    about 30 years
    more than 60 years
  • Question 20
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    Q. Which Kuiper Belt object is very close to Pluto’s size and is more massive?
    answer choices
    Eris
    Neptune
    Charon
    1992 QB1
  • Question 21
    30 seconds
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    Q. Which moon of Pluto was discovered in 1978 and has about 1/8th the mass of Pluto itself?
    answer choices
    Charon
    Styx
    Hydra
    Kerberos
  • Question 22
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    Q. In relative size, Pluto is ___
    answer choices
    about the size of Earth
    larger than Earth’s Moon
    about the size of Earth’s Moon
    smaller than Earth’s Moon
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