Across
- 3. Who invented the reflecting telescope?
- 5. Where does the Canada-France-Hawaii telescope sit ontop?
- 6. What is extremely small, dense core of a star?
- 8. What's the name of te telescope that was put into orbit in 1990?
- 9. What are large telescopes called?
- 13. What is the inner region of a disk called?
- 15. What type of galaxy is oval shaped?
- 16. What type of telescope uses a curved mirror?
- 18. Smaller telescopes are ________.
Down
- 1. What type of galaxy is the Milky Way Galaxy?
- 2. A ________ is a spread-out cloud of interstellar, dust or gas.
- 4. What do you call stars that travel together?
- 7. Who is the astronomer that discovered pulsars?
- 10. What type of telescope did Galileo make?
- 11. Where should we put a telescope to overcome the Earth's atmoshpere?
- 12. What was the problem with the main mirror for the Hubble Space?
- 14. What type of telescopes are reflecting and refracting telescopes?
- 17. If the lens becomes to _________ ir will sag under it's own weight and ruins and the image.