Organic Core

By sending a probe deep into one of the temporary vents on …, … discovered that the planet's core is home to a species of unicellular organisms unlike anything we have seen before. These robust cells seem perfectly adapted for survival under extreme pressures, with their seasonal reproduction releasing sizable quantities of hydrogen. … has concluded that this is how the planet's gassy hydrogen layers are being maintained. Exterminating these organisms would cause the dissipation of these outer layers, leaving behind a colonizable rocky planet.

The command below will trigger the "Organic Core" event in Stellaris:

When this event fires, you can choose between these 2 options:

• Exterminate them.
  • Start special project: Purify the Core
• A unique observation opportunity.
  • Add deposit: +5
  • Add deposit: +3