X-59 Wind Tunnel Testing at NASA Glenn
#NASA #ImageOfTheDay This colorized schlieren image is of a small-scale model of NASA’s X-59 Quiet SuperSonic Technology airplane.
http://www.nasa.gov/image-feature/x-59-wind-tunnel-testing-at-nasa-glenn
每个人都有属于自己的一片森林,也许我们从来不曾走过,但它一直在那里,总会在那里。迷失的人迷失了,相逢的人会再相逢。愿这里,成为属于你的小森林。