親子觀星會

討論區 => 天文新知 => 主題作者是: peter 於 2018-04-16 19:33:40



主題: elon Musk 說要用氣球回收或Falcon9第2級火箭
作者: peter2018-04-16 19:33:40
https://www.engadget.com/2018/04/15/spacex-will-try-balloon-to-recover-upper-rocket-stage/

SpaceX will try 'giant party balloon' to slow upper rocket stages


https://www.cnbeta.com/articles/science/717035.htm


http://news.mydrivers.com/1/526/526129.htm

upper stage back