Crossword

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Across
  1. 3. What becomes unclear in the bootstrap paradox?
  2. 6. What design does the Hubble telescope use?
  3. 8. What is the brightness unit called?
  4. 9. What is the name of the parent comet responsible for Lyrids?
  5. 10. Which asteroid’s orbit did Gauss calculate?
Down
  1. 1. What process uses microbes to extract metals?
  2. 2. Who discovered Saturn’s moon Titan?
  3. 4. What key molecules were found in Bennu samples?
  4. 5. The Chandrasekhar Limit relates to?
  5. 7. Which is the largest galaxy type?