Advanced Space-themed Crossword Puzzle
Listed Items
- 1.  A celestial body that gives off light and heat
 
- 2.  A spacecraft designed to travel through the air at high speeds
 
- 3.  A strange aircraft
 
- 4.  A star that suddenly increases in brightness and then fades away quickly
 
- 5.  A gigantic group of stars, gas, and dust held together by gravity
 
- 6.  The branch of science that deals with the motion of natural objects in space
 
- 6.  A visitor from another planet
 
- 7.  A tunnel between two distant points in space-time
 
- 8.  Object in space that orbits the earth
 
- 9.  A special day when the sun appears to stand still in the sky
 
- 10. A round, silvery object in the sky
 
- 11. A place to look at celestial bodies
 
- 12. A celestial object that is not a comet or planet
 
- 13. A small, icy body that moves around the sun
 
- 14. One who flies in a spacecraft
 
- 15. The attraction between two objects with mass
 
- 16. Everything that exists in space and time
 
- 17. Travel of a moon around a planet
 
- 18. A tool to observe distant objects
 
- 19. A journey outside a spacecraft
 
- 20. Expert in the field of astronomy
 
- 21. A celestial phenomenon in which the moon or planet temporarily blocks the sun