Laika The first being to travel to outer space was a female part-Samoyed terrier originally named Kudryavka (Little Curly) but later renamed Laika (Barker). She weighed about 6 kg. The pressurized cabin on Sputnik 2 allowed enough room for her to lie down or stand and was padded. An air regeneration system provided oxygen; food and water were dispensed in a gelatinized form. Laika was fitted with a harness, a bag to collect waste, and electrodes to monitor vital signs.
Laika ~ the first animal in orbit and also the first animal to die while doing so. A stray dog, Laika proved that living organisms were capable of surviving the launch process and subsequent orbit and weightlessness. Laika's sacrifice was not her own choice; Laika’s survival was never expected and the true nature of her death was covered up for years. : (