crossword

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Across
  1. 4. a scientist who studies celestial objects
  2. 6. the planet which is also known as the red planet
  3. 8. the star which provides light and heat to earth
  4. 9. the galaxy where our solar system resides.
Down
  1. 1. the planet which is also known as the evening star
  2. 2. a star which is used for navigation in the northern Hemisphere
  3. 3. a collection of planets, asteroids which are orbiting our sun
  4. 5. the object which habitable in low earth orbit
  5. 6. The celestial body that orbits the earth
  6. 7. a large collection of stats which are held together by gravity