Read the information about space exploration. Talk to your freind about it< using the Past Simple Tense.
1957:the first satellite Sputnik 1
1957:the first animal in Earth orbit ,the dog Laika on Sputnik 2
1961:the first person in space and in Earth orbit, Yuri Gagarin on Vostok 1
1961:the first person to stend over 24 hours in space, German Titov, Vostok 2 (also the first person to sleep in space)
1963:the first woman in space ,Valentina Tereshkova, Vostok 6
1965:the first person to walk in space,Aleksey Leonov ,Voskhod 2
1987; the first cosmonauts to spend over one year in space , Vladimir Titov and Musa Manarov on board the space station Mir

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Space always were interesting for humanity. There are many explorations in the space,so I will tell you about them. In 1957 the first satellite Sputnik 1 started to work. Also, in 1957 the first animal began her trip to the space. It was a dog Laika on Sputnik 2. In 1961 the first person Gagarin went to space and German Titov became the first person who stayed in the space for 24 hours. There is the first woman Valentina Tereshkova in the space in 1963. In 1965 people understood how walk in the space and Aleksey Leonov tried it in the space. Vladimir Titov and Musa Manarov spent over one year in the space station.