Laika was a normal street dog in Russia, shosen to be sent in space. The aim was to find out how long a dog can survive in space. On 3 November 1957 russians launched Laika into space inside a spacecraft named Sputnik-2. It was a one way ticket for laika because there was no way to bring her back to Earth. For the first few hours everything went normal but then the cooling system failed & the temperature increased that laika couldn't withstand. 162 days after launch, Sputnik 2 re-entered the Earth’s atmosphere & burned up in re-entry along with the remains of Laika. Second Channel: youtube.com/channel/UCz60YPaphKbsdMEC1IeP2bA My Instagram: instagram.com/Mr_Scientific Facebook: facebook.com/ScientificMr Twitter: twitter.com/ScientificMr Movie: Gravity

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