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Across 3. It goes through phases. 4. People who train to go into outer space. 7. This probe is supposed to go to Pluto. (2 words) 9. First invented and used in ancient Greece and China 10. Spacecraft used to transport astronauts into space 12. The seventh planet from the sun. 14. The fourth planet from the sun. 15. Once you are in one of these your body stretches. (2 words) 17. The eight planet from the Sun. 18. This probe went to Venus. (2 words) 20. The moon is a _____. 21. You should not look directly at these 23. This space object is actually white, not yellow 25. The third planet from the sun 26. Fifth planet from the Sun 27. The second planet from the sun

Down 1. This goes on forever. 2. Twinkle, twinkle little ____. 3. This probe went to Mars. (3 words) 5. In here, there are the planets, the sun, and much more. (2 words) 6. These space objects come from the oort cloud 8. Sometimes these crash to Earth. 11. People can live on these for months at a time. (2 words) 13. A meteor's name after it hits Earth/ 16. These allow you to see things that are far away. 19. Objects n orbit between Mars and Jupiter 22. The sixth planet from the sun. 24. Ninth planet from the sun.