The Gegenschein對日照
gegenschein-zodiacal light photometer積堅斯因;祖弟卡光線光度計
1.The gegenschein is sunlight back-scattered off small interplanetary dust particles.
漢對日照是非常小的星際塵埃上的陽光反向散射。
2.The gegenschein is distinguished from zodiacal light by the high angle of reflection.
漢對日照通過高角反射在黃道帶的光圈中很容易辨明。
1. a faint spot of light in the night sky that appears directly opposite the position of the sun; a reflection of sunlight by micrometeoric material in space