Across
- 2. a person trained for space flight
- 5. without this light source no life would exist
- 6. national Aeronautics and Space Administration
- 12. the planet just before earth
- 14. used on Earth for means of communication devices etc.
- 16. an explosion of a star
- 17. a bowl shaped depression
- 19. the study of zodiac star signs based on constellations such as Taurus, leo, pisces etc...
- 20. the surname of the first astronaut who walked on the moon
- 22. the planet with the shortest day and shortest year because it has the shortest orbit
- 25. the distance light travels in one year
- 27. a planet rotates on its own path
- 29. the gas that make up most of Earth's atmosphere
- 30. the planet with the longest day, longest year and longest orbit
Down
- 1. a fixed luminous point in the night sky sometimes drawn with 5 points
- 3. a cloud of gas and dust
- 4. a manned structure in space
- 7. an expert in celestial bodies
- 8. no longer considered a planet because it does not keep in its own orbit and is too small
- 9. eight heavenly bodies revolving around the sun
- 10. fifth planet from the sun
- 11. a Russian astronaut
- 13. a liveable planet for us
- 15. the force which makes things fall back towards Earth.
- 17. a group of stars that form a pattern or image
- 18. known as the red planet
- 21. sixth planet from the sun
- 23. a celestial body moving about the sun consisting of a central mass with a tail
- 24. as the Southern Cross etc...
- 26. a space capsule sent into orbit
- 28. famous words spoken on the first moon landing - that's one small step for man, one giant leap for _______.