Millions of meteors enter the Earth's atmosphere, averaging 40,000 tons per year.Leinert C.; Gruen E. (1990). "Interplanetary Dust". Physics and Chemistry in Space (R. Schwenn and E. Marsch eds.). Springer-Verlag. pp. 204-275 The ablated material, called meteoric smoke, is thought to serve as condensation nuclei for noctilucent clouds.
Millions of meteors enter the Earth's atmosphere, averaging 40,000 tons per year.Leinert C.; Gruen E. (1990). "Interplanetary Dust". Physics and Chemistry in Space (R. Schwenn and E. Marsch eds.). Springer-Verlag. pp. 204-275 The ablated material, called meteoric smoke, is thought to serve as condensation nuclei for noctilucent clouds.