Comets

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Across
  1. 3. The first confirmed interstellar comet is?
  2. 6. Who is the only Indian who has a comet and an asteroid named after him?
  3. 7. The Lyrids meteor shower comes from which parent comet?
  4. 8. The Perseids meteor shower comes from which parent comet?
  5. 9. Who discovered the second periodic comet which has the shortest period?
Down
  1. 1. The object which crashed into Jupiter in July 1994.
  2. 2. The first rover to land on a comet is?
  3. 4. A region in the space where longer period comets originate?
  4. 5. A comet which has the longest period of around 70,000 years.
  5. 7. The celestial object which was visited by Deep Impact and Stardust probes.