Across
- 6. to light up
- 8. the amount of light from a star that reaches the Earth
- 9. a very large star that is even brighter than a giant
Down
- 1. a unit of astronomical distance equivalent to the distance that light travels in one year
- 2. the tenth brightest star in the sky
- 3. the brightest star in the constellation Gemini
- 4. National Aeronautics and Space Administration
- 5. the amount of space between two things
- 7. our home
- 9. brightest star in our solar system