solar system

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Across
  1. 3. the star round which the earth orbits.
  2. 4. a celestial body moving in an elliptical orbit round a star.
  3. 5. The natural satellite of the earth, visible (chiefly at night) by reflected light from the sun.
  4. 6. the curved path of a celestial object or spacecraft round a star, planet, or moon, especially a periodic elliptical revolution.
Down
  1. 1. a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction
  2. 2. a small rocky body orbiting the sun. Large numbers of these, ranging enormously in size, are found between the orbits of Mars and Jupiter, though some have more eccentric orbits.
  3. 5. a small body of matter from outer space that enters the earth's atmosphere, becoming incandescent as a result of friction and appearing as a streak of light.