Gap Fill - Paragraph Two

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   astronauts      bases      deep      future      harmful      important      mission      study      time      time  

Paragraph 2

Professor Goukassian said his could be important for the of space travel. In particular, several nations are working on sending to Mars. Other countries are preparing to build on the moon. There is also a race by commercial companies to start the business of space tourism. Goukassian said there were possible health risks to space travel and to exploring space. He said more research was needed to study the effects of space travel on the body. This could be for NASA's Artemis project. This aims to send people back to the moon for the first in 50 years. The last humans went to the moon was during the Apollo 17 in December 1972.

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