艺廊这件作品还在版权期内本站只列资料、不放图，可以到下面的链接看原图。
Ad Astra
Ad Astra is a public artwork by American artist Richard Lippold. The abstract sculpture is located outside on the Jefferson Drive entrance of and in the collection of the National Air and Space Museum in Washington, D.C. The sculpture's title is Latin, meaning "To the Stars".
摘自英文维基百科「Ad Astra (sculpture)」（CC BY-SA 4.0），暂时没有中文条目。