Across
- 3. Everything that exists,including all energy, matter, and space.
- 5. Gases and charged particles expelled above an active sunspot.
- 6. energy emitted from matter, consisting of electromagnetic waves that travel at the speed of light.
- 9. Low-energy gas eruption form the sun's surface that extend thousands of kilometers into space.
- 13. Any object that exists in space.
- 15. The closed path of a celestial object or satellite as it travels around another celestial object.
Down
- 1. A display of shifting colours in the northern sky caused by solar particles colliding with matter in Earth's upper atmosphere.
- 2. Dark spots appearing on the sun's surface that are cooler than the area surrounding them.
- 4. The range of wavelengths of electromagnetic radiation, extending from radio waves to gamma rays, and including visible light.
- 7. The scientific study of what is beyond the Earth.
- 8. A large, round celestial object that travels around a star.
- 9. The sun and all the objects that travel around it
- 10. Producing and giving off light; shining.
- 11. A celestial object that travels around a planet or dwarf planet.
- 12. A huge, rotating collection of gas,dust, and billion of stars, planets, and other celestial object.
- 14. Massive collection of gasses, held together by its own gravity and emitting huge amounts of energy.