2016-11-07 海王星はなぜ青い https://www.google.co.jp/search?client=tablet-android-google&biw=600&bih=375&ei=ZHkHWMfoDcjV0gK597aACA&q=%E6%B5%B7%E7%8E%8B%E6%98%9F+%E3%81%AA%E3%81%9C%E9%9D%92%E3%81%84&oq=%E6%B5%B7%E7%8E%8B%E6%98%9F%E3%80%80%E3%81%AA%E3%81%9B&gs_l=mobile-gws-serp.1.0.0i13k1j0i13i30k1j0i8i13i30k1.3987.5175.0.7010.4.4.0.0.0.0.249.706.2-3.3.0....0...1c.1j4.64.mobile-gws-serp..1.3.703...0j35i39k1j0i4k1.2kmuQEziS50