Across
- 2. A collection of gas, dust, stars, and solar systems all held together by the invisible but powerful force of gravity.
- 7. Has a central bulge and arms that spiral in the center.
- 8. Is made up of all the celestial objects.
Down
- 1. Shaped like a very round oval and stars throughout it.
- 3. A big cluster full of lot's of stars.
- 4. Has no defined shape or structure.
- 5. This is a barred spiral galaxy containing over 100 billion stars.
- 6. You need a mask to be able to survive.
- 9. A big giant yellow star that's very bright.
- 10. A big star that we see at the end of each day.