Unit 2 Vocabulary ES

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Across
  1. 2. A body orbiting around a planet.
  2. 5. Pertaining to the shape of an ellipse (egg-shaped).
  3. 6. To get bigger in volume, like a balloon.
  4. 7. The leftover body of mass after a sun-sized star dies.
  5. 11. A baby star, not yet fusing elements in its core.
  6. 12. A massive explosion, emitting energy so far and wide, it can kickstart the birth of new stars.
  7. 13. The most accepted model of explanation of how star systems are born.
  8. 15. Scattered pieces of waste or remains.
  9. 16. The smallest and most abundant element in the Universe.
  10. 17. The path a body of mass takes around a larger body of mass, usually elliptical.
Down
  1. 1. The warming effect of mass as it shrinks tighter due to gravity.
  2. 3. The second smallest element and second-most abundant element in the Universe.
  3. 4. A star that is fusing Hydrogen into Helium in its core.
  4. 8. Plentiful and available in large quantities.
  5. 9. Debris left over from the creation of a star system.
  6. 10. The leftover body of mass after a star twice the size of our Sun dies.
  7. 11. A body of mass moving in an elliptical orbit around a star.
  8. 14. The leftover body of mass after a star three times the size of our Sun dies.