Stems #5

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Across
  1. 1. teleSCOPE
  2. 4. GEOgraphy
  3. 5. HELIOtropic
  4. 7. GYROscope
  5. 9. TETRAmeter
  6. 10. DECade
Down
  1. 2. ALTERnator
  2. 3. themoMETER
  3. 6. interSTELLar
  4. 8. AMATory