Venus probe

Mariner 2 was the first successful probe to another planet, marking a new era in space exploration. It provided valuable data about Venus, measuring surface temperature at 475°C, confirming the existence of a solar wind, and detecting microwave radiation.
 United States 1962 Venus probe

Mariner 2 was the first successful probe to another planet, marking a new era in space exploration. It provided valuable data about Venus, measuring surface temperature at 475°C, confirming the existence of a solar wind, and detecting microwave radiation.