Cosmic clues compitition

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Across
  1. 3. First satellite launched by ISRO
  2. 8. well recognised Indian Born American Astronaut
  3. 11. Name of Telescope that discovered Pluto
  4. 12. Planet discovered by accident
  5. 16. the closest star to our solar system
  6. 18. ISRO's chairperson as of 2021
  7. 19. name of the largest asteroid in the asteroid belt between Mars and Jupiter
Down
  1. 1. ISRO's first interplanetary mission
  2. 2. Headquarters of NASA
  3. 4. The point in space where the gravitational forces of two large bodies balance each other Solar System
  4. 5. a device used for planetary exploration
  5. 6. name of the first artificial satellite launched into space by humans
  6. 7. Moon of which planet has dense atmosphere and liquid methane lakes?
  7. 9. ISRO's navigation satellite system, similar to GPS
  8. 10. Primary mission of satellite explorer 1 was to study
  9. 13. NASA's moon programm
  10. 14. One of a blackhole type
  11. 15. Mission Duration of Appollo11
  12. 17. Robert Goddard developed
  13. 20. Used for space communication