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Across 4. Located in the center of our Solar System. 5. The third star closest to our Sun. 6. The natural satellite of Earth. 7. The collection of eight planets and their moons in orbit around the sun. 9. A system with billions of stars, gas, and dust, held together by gravity. 10. The beginning of a star's life cycle.

Down 1. When a high mass star reaches the end of it's life and collapses on itself. 2. Includes everything known in space and time. All galaxies, planets, stars, and solar systems. 3. The galaxy our solar system is located in. 8. A luminous point in the night sky.