- Thisweek,thestockmarketsportedacoupleofhalos.Wewon'tliearoundoncloudswithhalosplayingharps!Sophysicistsproposedthatthegalaxiesaresurroundedbyhalosofinvisiblematter.Thiscancausesymptomssuchasglare,halos,starbursts,andghostimages(doublevision)aftersur...
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