Aliens in Space

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Across
  1. 2. An invincible force that keeps our feet on the ground.
  2. 4. A word that means "unusual", "weird" or "hard to understand".
  3. 7. A word that means "very bad". It starts with a "T".
Down
  1. 1. The name of the planet with rings.
  2. 3. The name of the first planet in our solar system.
  3. 4. I wear this in space.
  4. 5. The name of the biggest planet in our solar system.
  5. 6. A vehicle that takes us away from Earth and into space.