Across
- 1. Brightest star
- 6. On what planet is the Great Red Spot?
- 7. What do scientists use to search for life in distant space?
Down
- 2. What is the most volcanically active body in our solar system?
- 3. Centauri Nearest star to Earth
- 4. How much of the universe is in a plasma state?
- 5. How many comets are there in the solar system?