1.made an important tuming point in the history of space tourism.
2.made an enormous progress in 2021.
3. Stepping on the surface of the moon was the most remarkable achievement in the
4. The Intemational Space Station was built with the collaboration of different
5. Robots sent to Mars proved that the planet used to have some
6. Tito, an aeronautical engineer, was the world's first
7. Space travel has a years.. it is expected to be worth billions of dollars over the next ten
8. Legal and are crucial factors for the success of the space tourism business.
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FUO
Q: 1
