Astronomy

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Across
  1. 3. Ours, the Milky Way, has 100,000,000,000 stars in it and is of average size.
  2. 4. An area of the sky named after a few stars located near one another as seem from Earth
  3. 5. Cloudlike patches seen in the night sky. They consist of galaxies or dust.
  4. 6. Planet which is closest to sun.
  5. 10. combination of atoms
  6. 11. Farthest planet
  7. 12. Smaller than Earth; freezing most of the tine; no oxygen.
  8. 13. YEARS LIGHT TRAVELS 186,000 MILES A SECOND
  9. 14. The weather is usually hot,with no rain to cool it down,but just two layers above the hot, sulfuric cloud.
Down
  1. 1. Ideal Mechanical ________=distance in / distance out
  2. 2. An area of the sky naned after a few stars located near one another as seen from Earth
  3. 7. Next nearest star to Alpha ________
  4. 8. A ball of matter was so hot that is blew apart. The bang was so big that the largest chunks to fly away were the size of ________
  5. 9. HUGE! , 11 times as big as earth in diameter