Intergalactic Space

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Across
  1. 5. Another name for stellar dust.
  2. 7. Strands of dark matter and galaxies that rotate
  3. 8. Intergalactic space is almost a complete _______.
Down
  1. 1. The physical space between galaxies.
  2. 2. Intergalactic space is extremely _____.
  3. 3. The percent dark matter and dark energy make up in the universe.
  4. 4. The distribution of galaxies presents that the universe has a ______-ish structure.
  5. 6. Amount of atoms per cubic meter in intergalactic space.