●1960101On October 23rd, the engine of the Soviet "Venus" launch vehicle failed to ignite as instructed. In order to find out the fault, dozens of experts approached the rocket. Suddenly, the rocket engine spewed flames and then exploded, killing nearly 100 soldiers and scientists.

● 196 1 On March 23rd, 2008, bondarenko, the first astronaut in the Soviet Union, wiped the fixed part of the sensor with alcohol cotton and threw it on an electrode plate. As a result, a fire broke out in the engine room and he was badly burned. He died in 10 hours.

●1967 65438+1October 27th:1967 65438+1October 27th, a tragic day in human space history. Three American astronauts died unexpectedly while training for the Apollo-1 spacecraft landing on the moon, becoming the earliest pioneers in the history of human space flight who were killed by spacecraft accidents. The American Apollo/KLOC-0 spacecraft failed to launch at the Kennedy Space Center in Cape Canaveral, Florida, and astronauts Gus Gleason, edward white and Roger Chaffey were killed.

●1April 24, 967: Vladimir komarov went into space on the unfinished Soyuz spacecraft. Twenty-four hours later, he was killed because the main parachute didn't pop up when he landed on Earth. Komarov became the first astronaut in the world who died on a space mission.

●1971June 29th:1971June, after 24 days of docking flight between the former Soviet union Soyuz spacecraft and the salute space station, astronauts Georgi komarov, Vladimir Volkov and Victor Pashayev returned to the ground due to air leakage in the return capsule, and they did not wear spacesuits at the same time.

●1980 March 18, the former Soviet carrier rocket "Dongfang" exploded while refueling at the Plesetsk launch site, killing 45 technicians on the spot and 5 others after being taken to hospital.

●1986 65438+1October 28th: The American space shuttle Challenger exploded 73 seconds after liftoff, killing all seven astronauts, including middle school female teacher Christa Macaulay and Japanese-American Ellison Oni Tsuka. The other five are Francis Scobie, michael smith, Judith resnick, Ronald mcnair and Gregory Jia.

February 2003 1: the space shuttle Columbia lost contact with the ground control center 16 minutes before the scheduled landing time, and then disintegrated over central Texas, and seven astronauts survived.