Astronomy   View all facts   Glossary   Help

physical phenomena > event > atomic process > collision > scattering > backscatter > gegenschein

gegenschein comparison table

Subject	is a kind of	has synonym	has definition
backscatter	scattering	world point	Scattering of radiation (or particles) through angles greater than 90° with respect to the original direction of motion.
gegenschein	backscatter	counterglow	Faint nebulous light about 20° across near the ecliptic and opposite the Sun, best seen in September and October. Also called counterglow.

Up: backscatter