Astronomy Unit Three Quiz 24-26

The flashcards below were created by user Anonymous on FreezingBlue Flashcards.

  1. The Trojan asteroids exist at Jupiter's points _______.
    L4 and L5
  2. A common characteristic of all the Lagrange points in a two-body system is ________.
    They all orbit the primary body with the same orbital period
  3. What international Astronomical union function was maintained at the University of Cincinnati?
    The minor planet center
  4. When was the first minor planet(asteroid) discovered?
  5. Which of the Lagrange points are most stable?
    L4 and L5
  6. The group of asteroids that cross the Earth's orbit are called the _________.
  7. Daniel Kirkwood was an American Astronomer who studied _________?
    "Gaps" in the asteroid belts with very small population
  8. Hirayama's approach to relating the orbits of the Asteroids was to________.
    Remove as many cyclical perturbations as he could identify
  9. The reason that none of the Asteroids are considered to be a planet is because ________.
    None of them have dominated their orbital positions around the sun
  10. If the mass of all of the Asteroids were consolidated into a single body, __________.
    It would not even be as massive as our moon
  11. For purposes of definition, the "surface" of the cloud-tops (planetary radius) on Jupiter is set by _______.
    The point at which 1.0 bar of pressure exists within the atmosphere
  12. Jupiter's magnetic field is ________ times stronger than the Earth's magnetic field.
  13. What triggered Jupiter's rapid accumulation of mass?
    When the proto-Jupiter attained about 10 Earth masses, the gravitational field was strong enough to attract and hold light volatile materials
  14. The surface of Jupiter _________.
    Does not really exist
  15. Jupiter returns to an opposite location in the sky every _________.
    398 Days
Card Set:
Astronomy Unit Three Quiz 24-26
2014-11-09 20:13:16
Astronomy 1001

Show Answers: