First soft landing on another planet

On 15/12/1970, the Soviet Union’s Venera 7 spacecraft became the first human-made object to successfully perform a soft landing on another planet, touching down on the surface of Venus. The mission marked a major advancement in planetary exploration, demonstrating that spacecraft could survive descent and operate under extreme extraterrestrial conditions. Venera 7 was launched on 17/08/1970 as part of the Soviet Venera program, which aimed to explore Venus’s harsh environment. During its descent, the lander endured intense heat and pressure as it passed through the planet’s dense atmosphere. Upon reaching the surface, it encountered temperatures of around 475°C and pressures approximately 90 times greater than those on Earth. Despite damage sustained during descent, including a partially collapsed parachute, Venera 7 successfully transmitted data from the surface for about 23 minutes. The signal confirmed that the spacecraft had landed intact and provided the first direct measurements from another planet’s surface. These included temperature readings and confirmation of the extreme atmospheric conditions previously only estimated from remote observations. The success of Venera 7 proved that it was possible to design spacecraft capable of operating on other planets, even in highly hostile environments. The mission provided critical engineering and scientific data that informed later missions, including more advanced Venus landers that returned images and extended measurements.