Related Questions on Metaculus:

• When will the first evidence of extraterrestrial life be discovered?

• Will a human made spaceship enter the Venusian atmosphere before 2030?

• If alien life is discovered in the Solar System before 2050, which place will be the natural environment of the first extraterrestrial (Solar) life-form of which there is conclusive evidence?

The lower cloud layer of Venus (47.5–50.5 km) is an exceptional target for exploration due to the favorable conditions for microbial life, including moderate temperatures and pressures (∼60°C and 1 atm), and the presence of micron-sized sulfuric acid aerosols.

Recently, scientists have discovered phosphine gas in the atmosphere of Venus that was earlier proposed as a biosignature gas in exoplanet atmospheres.