Across
- 2. Hottest planet in the solar system
- 3. A icy body that orbits the Sun, often with a visible tail when near the Sun.
- 5. A dark, cooler region on the Sun’s surface caused by magnetic activity.
- 7. Flare A sudden burst of energy and radiation from the Sun’s surface.
- 9. Spherical 'cloud' of comets and asteroids that surrounds the solar system
- 10. Energy derived from the heat within Earth’s interior.
- 12. The impact site of an asteroid believed to have caused the extinction of the dinosaurs.
- 13. A small, rocky body orbiting the Sun, mainly found in the asteroid belt.
- 14. The process by which hydrogen nuclei combine to form helium, releasing energy.
Down
- 1. A meteoroid that survives its passage through Earth's atmosphere and hits the ground.
- 4. A small rocky or metallic body moving through space.
- 6. The outermost layer of the Sun’s atmosphere, visible during a solar eclipse.
- 8. Gases that trap heat in a planet’s atmosphere, contributing to global warming.
- 11. Biggest moon of Saturn