Earth and Space

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Across
  1. 2. The final stage of a small star.
  2. 6. A phenomenon of lights in the sky. Often referred as the "Northern Lights".
  3. 8. The fourth planet from the Sun. Also known as the Red Planet
  4. 9. A celestial object orbiting the Sun and consisting of ice and dust. It also emits a stream of light.
  5. 11. A stage of a large star where it expands its size
  6. 13. The first stage of a medium star
Down
  1. 1. A small body in the Solar System, known as a Meteor if entered Earth
  2. 3. The distance light travels in a year.
  3. 4. Consists of planets orbiting the Sun.
  4. 5. A theory regarding the creation of the universe through a rapid expansion.
  5. 7. When the Earth is engulfed in the shadow of the Moon blocking sunlight.
  6. 10. The second-largest planet in the Solar System. Also a gas giant, the planet is the sixth planet from the Sun.
  7. 12. A collection of gas, dust, stars and solar systems.