Across
- 5. Groups of stars forming in a certain way making recognisable patterns
- 6. cosmic objects that produce their own energy through nuclear fusion reactions of gases.
- 7. a star that briefly becomes very bright and then returns to its original brightness.
Down
- 1. A powerful, bright explosion of a star
- 2. A stellar body that revolves around a star.
- 3. Earth's only source of a natural satellite.
- 4. A galaxy included in the solar system also where earth is located.