wormhole

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Across
  1. 5. what may they be connected to(there is a dash)
  2. 6. what do they do in pop-culture, like star trek
  3. 7. basically wormholes boiled down
  4. 8. where are wormholes located
Down
  1. 1. the other thing they may be connected to(still a dash)
  2. 2. what do some games have to use wormholes
  3. 3. the other thing they are used for in pop-culture
  4. 4. what is this on