3 Read the text again and write true or false. Correct the false sentences. 1 The Soviet Union put the first artificial satellite in orbit. 2 Sputnik 1 was the first natural satellite. 3 Astronauts constructed the ISS in space. 4 Teams of researchers have been living in since 1990. 5 Charles Simonyi has been on one trip into space. 6 Sub-orbital spacecraft are spaceships which travel into space. 7 People can experience weightlessness on sub- orbital spacecraft. space​