Across
- 2. This word means a long journey, especially one taken through space. Astronauts embark on such journeys to explore and learn about distant places.
- 4. A person who studies the stars, planets, galaxies, and other celestial bodies in the universe.
- 7. The motion of an object, like a satellite or a planet, as it revolves around another object in space, usually a star.
- 8. The action of sending a spacecraft or other vehicle into space.
- 11. A special task or assignment, especially one involving space travel, exploration, or research.
- 13. Refers to the space between stars in a galaxy.
- 14. These are like invisible ripples that travel through space, carrying energy. They can be light or radio signals and are used by astronomers to learn about the universe.
Down
- 1. A vehicle designed for travel or operation in outer space. Can be manned (with humans) or unmanned (without humans).
- 3. A scientist who studies the physical properties and interactions of celestial objects like stars, planets, and galaxies.
- 5. An object that orbits a larger celestial body (like a planet) in space. Can be natural (moon) or artificial (man-made).
- 6. This is the act of traveling to new or unfamiliar places to learn about them. In space, it involves sending spacecraft to study planets, moons, and other celestial bodies.
- 9. Describes a spacecraft or vehicle that operates without humans on board.
- 10. To create a model or imitation of a real situation to understand how it works. Often used in space exploration to predict outcomes.
- 12. Information collected from observations or experiments, often used to analyze and draw conclusions.