Is the universe on a spec of dust, which is on another spec of dust, which is on another spec of dust..etc?

Question: Is the universe on a spec of dust, which is on another spec of dust, which is on another spec of dust..etc?
- Keywords:
  dust,
  spec
Asked by birsejwh to Helen on 24 Jun 2011.
- Helen Fletcher answered on 24 Jun 2011:
  
  Wowwwwwwwwwwwwwww!!!!!! It could be, but it’s making me dizzy thinking about it…

Question: Is the universe on a spec of dust, which is on another spec of dust, which is on another spec of dust..etc?