Across
- 3. September 5 1977 at 6:56
- 6. a multi nation space station orbiting in Earth's low orbit
- 7. the mesurment of how much stuff is in an object
- 8. atomic number 1
- 11. were the human race inhabits
- 13. a large cloud of gas in space
- 14. the little bear
- 16. the tendency for an object to rissits change in motion wants in motion
- 17. not even light can escape from its grasp
- 18. isaac newton
- 21. a unit of measurement that measures a long distance in space
Down
- 1. 1.5 hours
- 2. a group of stars that make a reconigized pattern
- 4. a region in the outer solar system
- 5. the daughter of cepheus
- 8. space teloscope
- 9. these circle earth and are like tiny machine moons
- 10. a candy bar
- 12. a triple star system
- 15. a regular repeating pathway a star circles another star
- 18. a vast collection of stars
- 19. a celestial body that orbits a star
- 20. a luminous sphere of plasma