The Solar System and Beyond

  1. rotation Image Upload 1
    Earth spinning around its axis.
  2. orbit Image Upload 2
    Earth moves around the Sun in a regular, curved path called this.
  3. revolution Image Upload 3
    The movement of Earth around the Sun.
  4. lunar highlands Image Upload 4
    Mountainous areas of the Moon
  5. maria
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    smooth, dark regions on the Moon that formed when lava flowed onto the Moon's surface.
  6. EclipseImage Upload 6
    event that occurs when the Moon moves between the Sun and Earth or when Earth moves between the Sun and th Moon and casts a shadow.
  7. Tides
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    alternate rise and fall of sea level caused by the gravitational attractions of the Moon and Sun.
  8. Astronomincal Unit
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    a unit of measure equal to the distance from Earth to the Sun or about 150 million km
  9. Comet
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    large body of ice and rock that orbits the Sun; a comet develops a bright, glowing tail as it nears the Sun.
  10. Meteorite
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    Any rock from space that survives its plunge through the atmosphere and lands on Earth's surface.
  11. Solar System
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    The nine planets and numerous other objects that orbit the Sun, all held in place by the Sun's gravity.
  12. Constellation
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    group of stars that forms a pattern in the sky.
  13. galaxy
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    group of stars, gas, and dust held together by gravity.
  14. Light Year
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    About 9.5 trillion km -- the distance that light travvels in one year.
  15. Supernova
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    Very bright explosion of a supergiant that takes places after its core collapses.
Card Set
The Solar System and Beyond
The Solar System and Beyond Vocab Cards