地球接近の小惑星、NASAが撮影画像を公開 2005 YU55 was obtained on Nov. 7, 2011, at 1145 a.m. PST (245 p.m. EST1945 UTC) 2005 YU55 was obtained on Nov. 6, 2011, at 1:45 p.m. PST (4:45 p.m. EST/2145 UTC) NASA Captures New Images of Large Aste…