We've been sending animals to space for nearly 75 years, leading to critically important science and no shortage of bizarre stories.
Laika aboard the Sputnik 2 capsule prior to launch in 1957.The Soviet Union sent its fair share of dogs to space during the formative years of the country’s space program, including Laika—the first animal ever sent to Earth orbit. Laika died during this one-way mission. These experiments were crude by today’s standards, as Laika, among other Soviet dogs sent to space, were literally stray mutts picked off the street.
Prior to the 1957 Laika mission, the Soviet Union conducted a number of high-altitude tests with canines. In 1951, a dog named Smelaya ran away a day before the scheduled launch, leading to concerns that she might get eaten by wolves living nearby, according to NASA’s “.” Smelaya managed to return the next day, and the test flight proved to be a success. Later that same year, a dog named Bobik also escaped, never to return.
A second launch attempt with a back-up mouse crew was also scrubbed when sensors recorded 100% humidity inside the capsule. “The capsule was opened up and it was discovered that the sensor was located underneath one of the mouse cages,” according to NASA. The sensor was “unable to distinguish the difference between water and mouse urine,” and the launch proceeded after it dried out, according to the space agency.
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