Across
- 5. event where a person witnesses an unidentified flying object
- 6. assembly of stars, gas and dust
- 8. space beyond the Earth's gravitational influence or beyond the orbit of the Moon.
- 10. the idea of creating a place or object that is free from the force of gravity.
- 13. to move something using mental power or without traveling
- 15. an ideal and perfect place or state where everyone lives in harmony and everything is for the best
- 17. a star that suddenly increases dramatically in brightness and then fades to its original luminosity over a short period of months or years
- 19. the whole universe
- 20. modifying a planet, moon, or other body so its atmosphere, temperature, or ecology is similar to those of Earth in order to make it habitable by humans./ modifying a planet, moon, or other body so its atmosphere, temperature, or ecology is similar to those of Earth in order to make it habitable by humans.
- 21. relating to human beings, Eventually dying
Down
- 1. object in space with strong gravitational pull that no matter or energy can escape.
- 2. having electronically powered organs
- 3. a world other than our own. Similar to parallel universe.
- 4. nova a stellar explosion that creates an extremely luminous object
- 7. air or climate in a given place
- 9. an ideal society that becomes intolerable
- 11. the attraction of bodies toward the center of the earth.
- 12. genetically identical organism
- 14. rocky object orbiting the sun
- 16. imaginary creature from outer space.
- 18. a human-looking robot