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Across 3. machines that are in our service 5. an inorganic substance (as in the ash of calcined tissue 8. measuremenbt of hot, cold, etc 11. to know new lands or places 13. any of the very large groups of stars and associated matter that are found throughout the universe 16. a source of supply or support : an available means —usually used in plural 19. to arrive in a ship or plane 21. 6th planet 25. The planet where we live 27. 5th planet 28. part of the Earth that helps us breath 29. First planet 30. a celestial body orbiting another of larger size 31. second planet 33. a broad luminous irregular band of light that stretches completely around the celestial sphere and is caused by the light of myriads of faint stars 34. a meteor that reaches the surface of the earth without being completely vaporized 35. the configuration of stars especially at one's birth

Down 1. place on the space where astronauts can land 2. any of the seven celestial bodies sun, moon, Venus, Jupiter, Mars, Mercury, and Saturn that in ancient belief have motions of their own among the fixed stars 4. small organism that can cause illness 6. a force that pulls you to the Earth 7. study of the Earth 9. an atmospheric phenomenon (as lightning or a snowfall) 10. reany, cloudy, cold, hor... 12. space ships 14. Forth grade 15. a celestial body that appears as a fuzzy head usually surrounding a bright nucleus, that has a usually highly eccentric orbit, that consists primarily of ice and dust, and that often develops one or more long tails when near the sun 17. 7th planet 18. the whole body of things and phenomena observed or postulated 20. people that travels in the sapce 21. the sun together with the group of celestial bodies that are held by its attraction and revolve around it; also: a similar system centered on another star 22. 8th planet 23. a celestial object that has a gravitational field so strong that light cannot escape it and that is believed to be created especially in the collapse of a very massive star 24. not cheap 26. not cold 32. a natural luminous body visible in the sky especially at night