Across
- 4. Among the stars.
- 5. An instrument for viewing distant objects.
- 7. A galaxy with a long oval shape, a bright center,no apparent internal structure or spiral arms.
- 8. A branch of science that deals with stars and space.
- 10. Representing the sun as the center.
Down
- 1. A large grouping of stars in space.
- 2. A galaxy with a bulge in the center and very distinct long arms winding around the center.
- 3. Galaxy with a central bulge or bar with short arms if arms are present.
- 6. A galaxy with very little symmetry that does not fit into any category.
- 9. All of space and the matter it contains.