How many space tourists are there in the world?

Six space tourists around the world have completed their space journey. The first space tourist in human history was dennis tito, a 6-year-old American millionaire. The founder of the third largest investment management company in the United States, took the Russian Soyuz spacecraft into space in 21 and stayed on the International Space Station for eight days. The second space tourist was mark shuttleworth, a 29-year-old South African IT darling. He visited the International Space Station in 22 and conducted experiments in medicine and environmental protection with astronauts. The third space tourist was Gregory Olson, the 6-year-old chairman of American Sensor Unlimited Company, who went into space in 25. Olson is also a Ph.D. student in materials science. In just eight days in the space station, he did 1 scientific experiments, including crystal culture and humidity measurement of the earth's atmosphere. > > The fourth space tourist, and the first female space tourist in history, was Anousheh Ansari, a 4-year-old Iranian-American female entrepreneur. In 26, she flew to the International Space Station and stayed for 9 days. In addition to writing online logs to record what she saw and heard, she also became the test object of four important experiments of the European Space Agency. > > The fifth space tourist was 58-year-old Hungarian-American Charles Simonyi, who went to the International Space Station in 27. The former Microsoft software engineer, known as the "father of Word", took a big meal when he flew, and put a "flat peach banquet" in the space station. On March 26th, 29, Simone once again set off for the International Space Station in a Russian spaceship, becoming the first "repeat customer" of space tourism. The sixth space tourist was Richard Garriott, a 47-year-old American computer game developer, who went to the International Space Station in October 28. Richard Garriott's father, Owen garriott, was a NASA astronaut. > > On June 11th, 28, the American space adventure company announced that sergey brin, one of the founders of Google, had reached an agreement with the company to take a Russian manned spacecraft to the International Space Station in 211. In 211, the "all-tourist" flight will be realized for the first time, when a special Russian Soyuz spacecraft will send two space tourists into space. > > On June 4th, 29, Krasnov, director of manned space program of Russian Federal Space Agency, announced that Canadian billionaire Guy La Libert would visit the International Space Station as a space tourist in the autumn of 29. > >