Puzzle #30

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Across
  1. 2. A person who studies stars and planets
  2. 5. A synonym for 'examine'
  3. 6. Opposite of 'exit'
  4. 8. Opposite of 'rare'
  5. 9. A large reptile with a hard shell
  6. 10. An active struggle between competing entities
Down
  1. 1. Synonym for 'joy'
  2. 3. It holds food in the kitchen
  3. 4. It measures the temperature
  4. 7. A popular card game with four suits