Advanced Space-themed Crossword Puzzle
Listed Items
- 1.  A moment when the Earth's axial tilt is furthest from the sun
 
- 2.  The attraction between two objects with mass
 
- 3.  A trip outside a spaceship in zero gravity
 
- 4.  A building used to study the universe
 
- 5.  A celestial phenomenon in which the moon or planet temporarily blocks the sun
 
- 6.  Small object in space that orbits the earth
 
- 7.  A large system of stars, dust, and gas held together by gravity
 
- 8.  A visitor from another planet
 
- 9.  A violent explosion of a star
 
- 10. One who flies in a spacecraft
 
- 11. An aerial phenomenon with an unknown source
 
- 11. The entirety of space and time
 
- 12. Journey of a celestial body around a star
 
- 13. A glowing ball of gas in space
 
- 14. A celestial body that circles a planet
 
- 15. A bridge between two points in space
 
- 16. A device used to view distant objects
 
- 17. A small, icy object that orbits the sun
 
- 18. Person who studies the motion, composition, and origin of celestial bodies