Across
- 3. the apparent brightness a celestial object would have if it were located at a standard distance of 10 parsecs
- 5. the quality or state of giving out or reflecting light.
- 7. a central plain where everything inside exists
- 9. the obvious
- 10. the thing that is to be said to make our universe
Down
- 1. the early stage of a star being formed
- 2. a hot remnant core of a star
- 4. an astronomical distance
- 6. a cataclysmic explosion of a star
- 8. a giant cloud of gas and dust in space
- 11. a vast gravitation of stars planets gas and dust