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