Across
- 2. Elliptical galaxies are red because their stars are all _____
- 3. The galaxy’s senior citizens live here, floating on a sphere
- 4. Flat, starry structure you’re living in
- 6. These little guys don’t fit in
- 7. Why the Hershels got the geometry wrong
- 9. Once thought to be the ancestors of galaxies like the Milky Way
- 10. A reason galaxies change shape.
- 12. Strange stellar orbits reveal its presence
- 13. Not the center of the galaxy, but still the center of our attention
Down
- 1. An ancient group, studied by Shapley
- 4. Strange stellar orbits reveal its presence
- 5. Where stars are packed tight
- 8. Our galaxy’s type defined by its arms.
- 11. The Milky Way appears milky because of them