Neil Armstrong on the moon next to an American flag. Laika the dog sitting in a space capsule, shortly before before becoming the first animal to orbit the Earth. Buzz Aldrin taking a selfie, our planet a blue curve behind him, in the first-ever self portrait produced in space.


원문출처 : https://www.cnn.com/style/article/nasa-photos-auction-christies-intl-hnk-scli-scn/index.html