The sensors used to listen for earthquakes could help protect people from the hazards created by falling spacecraft.

The sensors used to listen for earthquakes could help protect people from the hazards created by falling spacecraft.

The sensors used to listen for earthquakes could help protect people from the hazards created by falling spacecraft.

The sensors used to listen for earthquakes could help protect people from the hazards created by falling spacecraft.

The sensors used to listen for earthquakes could help protect people from the hazards created by falling spacecraft.

The sensors used to listen for earthquakes could help protect people from the hazards created by falling spacecraft.

The sensors used to listen for earthquakes could help protect people from the hazards created by falling spacecraft.

The sensors used to listen for earthquakes could help protect people from the hazards created by falling spacecraft.

The sensors used to listen for earthquakes could help protect people from the hazards created by falling spacecraft.

The sensors used to listen for earthquakes could help protect people from the hazards created by falling spacecraft.