Across
- 3. An object that orbits around a planet or celestial body, often used for communication or scientific purposes.
- 4. A powerful explosion that occurs at the end of a star's life, releasing a tremendous amount of energy.
- 7. A vast system of stars, gas, and dust held together by gravitational forces.
- 9. An instrument used to observe distant objects in space by collecting and magnifying light.
- 10. Hole A region in space with strong gravitational forces that nothing, not even light, can escape from.
- 12. A person who travels and works in space, often as a member of a space exploration mission.
- 13. A small particle that enters Earth's atmosphere, causing a streak of light as it burns up.
Down
- 1. A luminous sphere of plasma held together by its own gravity, emitting light and heat.
- 2. The entirety of space, including all matter, energy, galaxies, and celestial objects.
- 4. A vehicle designed for travel or operation in space, such as a spaceship or satellite.
- 5. A celestial body that orbits around a star, such as the Earth or Mars.
- 6. A rocky object that orbits the Sun, typically found in the asteroid belt between Mars and Jupiter.
- 8. A cloud of gas and dust in space, often the birthplace of new stars.
- 11. A celestial object composed of ice, dust, and rock, with a glowing tail when it approaches the Sun.