Across
- 4. Astronomical unit measuring distance, not time
- 5. Instrument for viewing distant objects in space
- 7. A group of connected parts forming a whole
- 8. Region where gravity prevents light from escaping
Down
- 1. The name of the galaxy containing our Solar System
- 2. All space, time, and matter as a whole
- 3. Vast collection of stars bound by gravity
- 6. Relating to the Sun
- 7. Transmission of information or message