Sentence:  Zodiacal light and the gegenschein give some evidence for such a dust blanket , a phenomenon also to be expected if the dust before capture is in circular orbits about the sun , as indicated by the trend of the smaller visible <WSD>meteors</WSD> . 
Meaning of the word marked with <WSD> tags:  (astronomy) any of the small solid extraterrestrial bodies that hits the earth's atmosphere