Space

1. A person who travels and works in space. It undergo special training and wear spacesuits to survive in the extreme conditions of outer space.
3. The vast expanse of space that includes galaxies, stars, planets, and everything that exists.
5. A celestial object made of ice, dust, and rock that orbits the sun. When it gets closer to the sun, it develops a glowing coma and a tail.
8. A large celestial body that orbits a star. Planets are round and can be rocky or gaseous. It is a part of a solar system and may support life.
9. A vehicle designed for travel and exploration in outer space. They are used to transport astronauts, satellites, and scientific equipment.
11. A system of millions or billions of stars, along with gas, dust, and other celestial objects, bound together by gravity.

2. An instrument used to observe distant objects in space. It helps scientists study galaxies, stars, and other celestial phenomena.
4. An object that orbits a planet or star. They can be natural (like the moon) or artificial (man-made) and are used for communication and observation.
6. An event in which one celestial body partially or completely blocks the light from another.
7. The force that pulls objects towards each other. It keeps planets in orbit, gives weight to objects, and is responsible for many phenomena in space.
10. A luminous celestial object made of hot gases, such as hydrogen and helium. It emit light and heat, and our sun is an example of a star.