Sentence:  <WSD>Zodiacal</WSD> 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 meteors . 
Meaning of the word marked with <WSD> tags:  a luminous tract in the sky; a reflection of sunlight from cosmic dust in the plane of the ecliptic; visible just before sunrise and just after sunset