The Solar System and Beyond

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  1. rotation Image Upload
    Earth spinning around its axis.
  2. orbit Image Upload
    Earth moves around the Sun in a regular, curved path called this.
  3. revolution Image Upload
    The movement of Earth around the Sun.
  4. lunar highlands Image Upload
    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
    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
2012-01-23 15:21:54
Speech Sounds Solar System Beyond

The Solar System and Beyond Vocab Cards
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