Across
- 2. A point in space that pulls everything in
- 6. A giant circle of stones in southwest England
- 7. The layer of the Sun above the photosphere
- 10. A huge system of stars, dust and gas held together by gravity
- 13. Galaxies that look round or oval
- 16. The innermost layer of the Sun
- 17. A cloud of gas and dust where stars are born
- 18. An Italian scientist who was the first to use a telescope
- 19. A tool with a star map drawn on a metal plate
- 20. The closest star to Earth
- 21. Relating to the sun
Down
- 1. A group of stars that form a pattern
- 3. The distance light travels in one year
- 4. A tool with a moveable arm, mirrors, and an eyepiece attached to a frame
- 5. Galaxies that have no real shape
- 8. Galaxies that look like pinwheels
- 9. A gigantic explosion of a star
- 11. Alarge pyramid in Mexico
- 12. When one thing covers another thing
- 14. A tool with that gathers light to see faraway places
- 15. The outermost layer of the Sun
- 22. Relating to the moon
