| http://www.w3.org/ns/prov#value | - The 'dust veil event' of AD 536 in critical perspective by Bo Gr??slund and Neil Price, archaeologists at the university of Uppsala (Sweden) and the university of Aberdeen.posted by Termite at 8:58 AM on January 21, 2014 [5 favorites] The brightness suggests that on this journey through the inner solar system, Halley's comet passed particularly close to the sun, she says.
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