Advanced Space-themed Crossword Puzzle
Listed Items
- 1.  The branch of science that deals with the motion of natural objects in space
 
- 1.  A visitor from another planet
 
- 2.  A phenomenon that occurs twice a year when the sun reaches its northernmost and southernmost points
 
- 3.  Expert in the field of astronomy
 
- 4.  A shortcut through the universe
 
- 5.  Path of a celestial body around a star
 
- 6.  An aerial phenomenon with an unknown source
 
- 7.  A celestial body that circles a planet
 
- 8.  A small, icy object that orbits the sun
 
- 9.  Optical instrument used to magnify distant objects
 
- 10. A glowing ball of gas in space
 
- 11. A large group of stars, gas, and dust bound by gravity
 
- 12. An individual who journeys through space
 
- 13. Small object in space that orbits the earth
 
- 14. The death of a massive star
 
- 15. The invisible force that makes things fall to the ground
 
- 16. A stroll in the vacuum of space
 
- 17. A celestial object that is made of rock and metal
 
- 18. A place to observe the sky and stars
 
- 19. An astronomical occurrence when the sun is hidden by the moon
 
- 20. A vast expanse of space
 
- 21. A large, powerful vehicle used to launch people and objects into space