SOLAR SYSTEM

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Across
  1. 3. EXPLOSION THAT TOOK PLACE ABOUT 15 BILLION YEARS AGO
  2. 4. EARTH'S SATELLITE
  3. 6. THE STUDY OF THE UNIVERSE
  4. 7. PLANETS NEARER TO THE SUN ARE CALLED ______ PLANETS
Down
  1. 1. NAME OF OUR GALAXY
  2. 2. UNIT USED TO MEASURE THE DISTANCE BETWEEN PLANETS
  3. 4. SHOOTING STAR IS ALSO CALLED
  4. 5. JUPITER,SATURN,URANUS AND NEPTUNE ARE ______ PLANETS