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