counterglow
對日照
Coun·ter·glow n. Astron. An exceedingly faint roundish or somewhat oblong nebulous light near the ecliptic and opposite the sun, best seen during September and October, when in the constellations Sagittarius and Pisces. Its cause is not yet understood. Called also Gegenschein.
◄ ►
counterglow
n : 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 [syn: gegenschein]