Space

2. 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.
5. A system of millions or billions of stars, along with gas, dust, and other celestial objects, bound together by gravity.
6. A vehicle designed for travel and exploration in outer space. They are used to transport astronauts, satellites, and scientific equipment.
10. The vast expanse of space that includes galaxies, stars, planets, and everything that exists.
12. 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.
13. A small rock or particle from space that enters the Earth's atmosphere. When it burns up, it produces a bright streak of light.

1. An instrument used to observe distant objects in space. It helps scientists study galaxies, stars, and other celestial phenomena.
3. An event in which one celestial body partially or completely blocks the light from another.
4. A scientist who studies celestial objects and phenomena. They use telescopes and other tools to observe and analyze the universe and its mysteries.
7. A person who travels and works in space. It undergo special training and wear spacesuits to survive in the extreme conditions of outer space.
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. 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.
11. 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.