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Show ' Variation of Moon's 8lze. As seen by different persona, ths lzu of tho moon varies from that of ? a cart wheel to a sliver dollar. To many It suOma about a foot In dlame- . tor, from which Prof. Young concludes f Hint to tho average man tho distance , of tho surface of tlio sky lu about 110 i. feel It Is certain that artluta usually ? represent the moot much too large lo : situ In their paintings. Oecaulonally they represent it lu evening sceuea with tho horns turned downward In- 1 end of upward', whereas thoy must always point away from tho sun. The true angular size of tho moon la about half a degree, ho that It can always be conceuled behind a leadpoucll held M arm's lenglh. |