Year ▁of ▁birth ▁missing ▁( l iving ▁people ) ▁Category : A cadem ic ▁journal ▁edit ors <0x0A> </s> ▁The ▁Ray le igh ▁sky ▁model ▁describes ▁the ▁observed ▁polar ization ▁pattern ▁of ▁the ▁day time ▁sky . ▁Within ▁the ▁atmosphere ▁Ray le igh ▁scatter ing ▁of ▁light ▁from ▁air ▁mole cules , ▁water , ▁dust , ▁and ▁a eros ols ▁causes ▁the ▁sky ' s ▁light ▁to ▁have ▁a ▁defined ▁polar ization ▁pattern . ▁The ▁same ▁el astic ▁scatter ing ▁processes ▁cause ▁the ▁sky ▁to ▁be ▁blue . ▁The ▁polar ization ▁is ▁character ized ▁at ▁each ▁w avel ength ▁by ▁its ▁degree ▁of ▁polar ization , ▁and ▁orientation ▁( the ▁e - vector ▁angle , ▁or ▁scatter ing ▁angle ). ▁ ▁The ▁polar ization ▁pattern ▁of ▁the ▁sky ▁is ▁dependent ▁on ▁the ▁cel est ial ▁position ▁of ▁the ▁sun . ▁ ▁While ▁all ▁scattered ▁light ▁is ▁polar ized ▁to ▁some ▁extent , ▁light ▁is ▁highly ▁polar ized ▁at ▁a ▁scatter ing ▁angle ▁of ▁ 9 0 ° ▁from ▁the ▁light ▁source . ▁ ▁In ▁most ▁cases ▁the ▁light ▁source ▁is ▁the ▁sun , ▁but ▁the ▁moon ▁creates ▁the ▁same ▁pattern ▁as ▁well . ▁ ▁The ▁degree ▁of ▁polar ization ▁first ▁increases ▁with ▁increasing ▁distance ▁from ▁the ▁sun , ▁and ▁then ▁decre ases ▁away ▁from ▁the ▁sun . ▁Thus , ▁the ▁maximum ▁degree ▁of ▁polar ization ▁occurs ▁in ▁a ▁circular ▁band ▁ 9 0 ° ▁from ▁the ▁sun . ▁In ▁this ▁band , ▁degrees ▁of ▁polar ization ▁near ▁ 8 0 % ▁are ▁typically