Planets

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Across
  1. 3. system; the collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets. The planets of the solar system are (in order of distance from the sun) Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
  2. 5. galaxy; a galaxy that has a generally elliptical shape and that has no apparent internal structure or spiral arms
  3. 6. galaxy a galaxy that does not have a distinct regular shape, unlike a spiral or an elliptical galaxy.
  4. 7. a fixed luminous point in the night sky which is a large, remote incandescent body like the sun.
Down
  1. 1. celestial body moving in an elliptical orbit around a star.
  2. 2. a system of millions or billions of stars, together with gas and dust, held together by gravitational attraction.
  3. 3. Galaxy a galaxy in which the stars and gas clouds are concentrated mainly in one or more spiral arms.
  4. 4. Way; Our own galaxy
  5. 5. the planet on which we live; the world.
  6. 7. the star around which the earth orbits.