cosmos

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123456
Across
  1. 2. objects that give off short rhythmic bursts of visible lights,x-rays,gamma rays
  2. 5. cloud of dust or gas found between stars
  3. 6. constellation of stars
Down
  1. 1. an icy moon of uranus
  2. 3. the explosion of the stars
  3. 4. an exoplanet