Ancient Weather Balloon

… has identified the mysterious airborne object on … as an archaic weather balloon. Any markings that could have identified its origin have long since been stripped away by the planet's extreme atmospheric conditions. Radiometric dating suggests it has been present in …'s atmosphere for over a century, fluctuating in size as it travels listlessly through the planet's idiosyncratic pressure variations. Miraculously, the solar energy panels are still functioning and its sensor array now carries a century's worth of valuable atmospheric data. It will be of great interest to our ….

The command below will trigger the "Ancient Weather Balloon" event in Stellaris:

When this event fires, you can choose between the following option:

• Interesting.
  • Add deposit: +2
  • Society: +None to None