Luna 9 was an uncrewed space mission of the Soviet Union's Luna
On 3 February 1966 the Luna 9 spacecraft became the first
spacecraft to achieve a survivable landing on the celestial body.
The lander had a mass of 99 kilograms.
It used a landing bag to survive the impact speed of 22 kilometres
It was a hermetically sealed container with radio equipment, a
program timing device,
heat control systems, scientific apparatus, power sources, and a