Space

2. A celestial object consisting of a nucleus and a tail
3. The path followed by an object around a celestial body
4. The natural satellite of the Earth, visible in the night sky
6. A luminous celestial body composed of hot gases
8. The force that attracts objects towards each other
9. A celestial body that orbits a star and shines by reflected light
10. The star at the center of our solar system, providing light and heat
11. An object orbiting a planet or star for various purposes
15. A vehicle that launches into space
16. A person trained to travel and work in outer space
17. The partial or total blocking of light from one celestial body by another

1. A group of stars forming a recognizable pattern in the sky
4. A small celestial body that enters Earth's atmosphere and burns up
5. A system of millions or billions of stars, dust, and gas
7. The whole of space, including all matter and energy
11. A vehicle designed for space travel
12. An optical instrument for viewing distant objects in space
13. An optical instrument for viewing distant objects in space
14. A scientist who studies celestial bodies and the universe
18. system A collection of planets and other celestial objects orbiting a star