Wonder of Science"While spacewalking I realized something, I used to think I was scared of heights but now I know I was just scared of gravity"
― NASA astronaut Reid Wiseman
BD8DUH
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Hello Everyone: This is new member BD8DUH from China
"While spacewalking I realized something, I used to think I was scared of heights but now I know I was just scared of gravity"
― NASA astronaut Reid Wiseman