SPACE TRIVIA...Also other stuff

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Across
  1. 3. Largest start in solar system
  2. 5. This week, NASA unveils plans for next space mission to this planet
  3. 6. Theoretical Start of Universe
  4. 9. This new viral outbreak is causing rashes and pustules across the body
  5. 11. Largest Planet in Solar System
  6. 12. The flu virus
  7. 15. Organism that grows by assisting another organism
  8. 17. This metal is liquid at room temperature
  9. 19. Produces largest gravitation pull
  10. 20. What does the m in mRNA Stand for the COVID Vaccine
Down
  1. 1. A lightyear is a unit of what?
  2. 2. This planet is almost the same size as Earth
  3. 4. The Black Death
  4. 7. NASA releases first ever ______ from black hole this week
  5. 8. Organism that grows by feeding off another organism
  6. 10. What region on china did Covid most likely originate
  7. 13. Eruption of electromagnetic radiation in the Sun's atmosphere. Causes radio problems on Earth
  8. 14. The most abundant element in the universe
  9. 16. This protects Earth from asteroids and radiation
  10. 18. What is the only virus with a 100% kill rate