為何兩塊金屬在太空中接觸，會熔接在一起，地球不能？

{"info":{"title":{"content":"為何兩塊金屬在太空中接觸，會熔接在一起，地球不能？","en":"Why do two pieces of metal come into contact in space and fuse together, but not on Earth?"},"description":{"content":"親愛的讀者朋友好~在地球上，金屬不容易粘在一起，因為空氣裡的氧氣、氮氣和其他東西都把金屬保護得好好的。可是，太空就不一樣...","en":"Hello dear readers and friends~ On the earth, metals are not easy to stick together, because the oxygen, nitrogen and other things in the air protect the metals well. But space is different..."}},"items":[]}