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・Top for the public

• 　　Character introduction

• 　　How to read this homepage

• 　　What are the problems with space travel?

• 　　Experience report

• 　　Base construction

• 　　Destination

• 　　Moon

• 　　Mars

• 　　Mercury

• 　　Venus

• 　　Vehicle

• 　　Space food

• 　　Top safety when returning

• 　　Safety at the time of return(1)

• 　　Safety at the time of return(2)

• 　　Spacesuit

• 　　Communication

• 　　Black Hole

• 　　Collision with meteorites and space debris

• 　　Collision with meteorites

• 　　Collision with space debris

• 　　Plan

• 　　Summary

　　　　

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