Take The Astronomy Vocab Practice Questions!

15 Questions | Total Attempts: 249

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Take The Astronomy Vocab Practice Questions!


Questions and Answers
  • 1. 
    Small, rocky bodies that revolve around the sun are called _________________________. 
  • 2. 
    A ___________________ is the bright streak of light caused by a meteoroid or comet dust burning up in the atmosphere. 
  • 3. 
    A small body of ice, rock, and cosmic dust loosely packed together is called a ________________. 
  • 4. 
    A ____________________________ happens when the moon comes between Earth and the sun and the shadow of the moon falls on part of  Earth. 
  • 5. 
    A ______________________________ happens when Earth comes between the sun and the moon and the shadow of Earth falls on the moon. 
  • 6. 
    One complete trip along an orbit is called a  __________________________. 
  • 7. 
    Earth has a _______________________________ because it appears to spin in a counterclockwise direction when it is viewed from above its North Pole. 
  • 8. 
    Venus spins in a clockwise direction, therefore it has a   _________________________. 
  • 9. 
    The ______________________ states that the universe began with a tremendous explosion 13.7 billion years ago. 
  • 10. 
    Copernican theory states that the sun is the center of the universe, and all the planets orbit the sun.  Another name for this theory is called ______________________________. 
  • 11. 
    Ptolemy  thought that the Earth was at the center of the universe and that the other planets and the sun revolved around the Earth.  The Ptolemaic theory is also called _________________________. 
  • 12. 
    A __________________________ is a collection of stars, dust, and gas bound together by gravity. 
  • 13. 
    A ______________________ is a region in space where stars are born or where stars explode at the end of their lives.  It is also classified as a large cloud of gas and dust in interstellar space. 
  • 14. 
    The force of _____________________ causes the moon to fall toward the Earth and changes a straight-line path into a curved orbit. 
  • 15. 
    A meteoroid that enters Earth's atmosphere and strikes the ground is called a ____________________________.