Gold. Astronaut visors contain 24 carat pure gold; the Gold is transparent enough for astronauts to see through and protect them from the harmful solar rays because gold prevents overheating by reflecting away infra-red radiation. http://www.belovedtreasu

Gold. Astronaut viso...

采集喜欢评论

查看来源 pinterest.com

2morrow从12378k

转采于2016-09-20 16:37:22

Gold. Astronaut visors contain 24 carat pure gold; the Gold is transparent enough for astronauts to see through and protect them from the harmful solar rays because gold prevents overheating by reflecting away infra-red radiation. http://belovedtreasu

2morrow