star

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Across
  1. 2. star is mosthly composed of hydrogen and...
  2. 4. star is a luminous ball of ...
  3. 7. galaxies is in...
Down
  1. 1. if the temperature of a star is low its color will be...
  2. 3. star form inside...
  3. 5. a star a neutron turns into...
  4. 6. if the temperature of a star is hight its color will be...