solar system

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Across
  1. 4. radius of 43,440.7 miles
  2. 7. our space neighbor hood
Down
  1. 1. On it
  2. 2. night, temperatures can dip as low as -290°F
  3. 3. consist of stars, planets, and vast clouds of gas and dust, all bound together by gravity
  4. 5. A black hole is created when big stars explode
  5. 6. pen drop