|A perigee-syzygy event|
Guest: You have rooms?
Purser: Yes, but I should warn you we are a ship. There could be waves tonight. It is a SuperMoon.
Purser: But not so bad. We are moored to the dock.
Guest: What is a SuperMoon?
Purser: It is what astronomers call a perigee-syzygy event. Astrologers call it a SuperMoon and conspiracy theorists warn of earthquakes and tsunamis.