exploration is. do you have m mom written o your hand? yes, we do. it s almost washed off now, but when we were up in zero g, yeah but that s because i flipped upside down. when we were in zero g. there. it was like this. and we got that photo. we weren t sure we rehearsed it a few times. rehearsing that on earth is challenge. it s nice to know you re still mama s boys. zhfor sure. congratulations. jeff bezos and his brother, mark, talking about their mother. with me here, cnn space correspondent kristin fisher, the child of two astronauts. also joining us, legendary