Astronomy Unit Four Quiz 33-35

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Anonymous
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290577
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Astronomy Unit Four Quiz 33-35
Updated:
2014-12-03 20:11:34
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Astronomy 1020
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Bosse
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  1. Meteor showers are associated with _________.
    Comets
  2. In general, the radiant of a meteor shower will rise _______.
    Around midnight
  3. Large numbers of meteors seen at the same time each year are called _________.
    Meteor showers
  4. Meteors can be seen because of the process of __________.
    Recombination
  5. Meteors are ___________.
    Growing columns of gas in the atmosphere
  6. A meteorite is a meteoroid that has ___________.
    Survived a trip through the Earth's atmosphere
  7. Most meteorites originate from __________.
    The asteroid belts
  8. Stony meteorites are classified based on the presence, size, and chemical composition of small mineral grains called___________.
    Chondrules
  9. Widmanstatten patterns are _________.
    Metallic crystals that have cooled slowly
  10. The chemical makeup of a meteorite is determined by ___________.
    The location of its formation in the proto-stellar accretion disk
  11. The Kuiper Belt is the presumed source for _________.
    Short-period comets
  12. Jan Van Oort studied comets characterized by __________.
    Orbits with aphelions of many thousands of A.U.
  13. Who first proposed the existence of proto-planetary material beyond the orbit of Neptune?
    Kenneth Edgeworth
  14. The primary differentiation between Oort comets and Kuiper comets is ________.
    Coma and tail density
  15. The first (besides Pluto) TNO to be discovered was 1992 QB1 discovered in ___________.
    1992

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