Across
- 2. a stars' life ends in a ____________ explosion
- 4. galaxy that is neither spiral nor elliptical
- 7. largest type of galaxy in the universe
- 9. a massive region of space that is very dense with gravity so strong that it prevents anything from escaping
- 10. largest objects in the universe consisting of many galaxies, hot plasma, and invisible dark matter
- 11. the Milky Way is a _______ galaxy
Down
- 1. a concentration of stars in a relatively small space held together by self gravitation
- 3. ________ clusters contain around a few hundred to a few thousand stars
- 5. ____________contain hundreds of thousands of stars
- 6. an invisible form of matter that is not able to interact with light or radiation
- 8. small galaxies that orbit larger ones
- 12. shaped with spiral-shaped arms radiating out from the galaxy's centre
