Space

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Across
  1. 3. A luminous celestial body in the sky made of burning gases
  2. 6. Group of stars forming a recognizable pattern that identifies a mythological figure.
  3. 7. The circular movement of a celestial body around a central line - known as axis of rotation.
  4. 10. System of millions or billions of stars, together with gas and dust, held together by a gravitational attraction.
Down
  1. 1. A regular, repeating path that one object in space takes around another one.
  2. 2. The study of celestial objects, space and the physical universe.
  3. 4. Everything that exists in space including earth
  4. 5. The third planet in our Milky Way, counting from the sun
  5. 8. The only star in our solar system
  6. 9. A celestial body moving in an elliptical orbit around a star.
  7. 10. The force that attracts a body toward any other physical body having mass