Assertion: comet's dust | /r/HasProperty | dispersed across upper atmosphere
Facets:
value: from the comet's tail
type: LOCATION
Source sentences:
text: The comet hypothesis was further supported by the glowing skies (or "skyglows" or "bright nights") observed across Eurasia for several evenings after the impact, which are possibly explained by dust and ice that had been dispersed from the comet's tail across the upper atmosphere.