Universe Vocab-Tim Ingram-4th

12345678910111213141516
Across
  1. 3. A mass of gas held together
  2. 4. Radioactive atoms
  3. 8. THe distance light travels through one year
  4. 10. How fast light travels
  5. 12. a cooking utility
  6. 13. A gas composed of hydrogen and air
  7. 16. All space and the matter it holds
Down
  1. 1. Electromagnetic waves with long and low noises
  2. 2. The circular center of a big Galaxy
  3. 3. A representation of an object that is accurate
  4. 4. A large grouping of stars in space
  5. 5. The distance between adjacent points on a wave
  6. 6. The doctor uses this
  7. 7. An object that collects light in observation
  8. 8. The colors we see
  9. 9. The death of a large star by explosion
  10. 11. The transfer of energy through matter or space
  11. 14. A wavelength that shows if its moving toward us
  12. 15. The location of a star forming