Show Tour Images of the Moon ir Some night when the moon is nt Its t lull and the air la free from haze go out cor with a hand mirror and hold I w It < o that the moons Image will fall on IU Make tho experiment preferably when tIle moon Is I well up in tho heavens 4 hea-vens Instead of seeing one Imago as you will expert you will eoe tour One of these Itnftsvii vvllt bo vary c bright but the other three will be dull I Hko unburnlHhod silver They will be 4 in a straight line one of the dull images on one side of the bright imago t and two on tho other side of It Turn the mirror slowly around and tho Imft cB will appear to revolve around I n common center The explanation of I r this queer little phenomenon may b I q found In the fnct that there are two BurfacoB In a mirror one In front and I tho other In tho back where the qulck I silver la Tho brightest of the images 4 is from the moon Itsalf the others are I l what are known oa secondary Images 1 reflected from the front to tho back of the mirror and thence to thq eye A similar experiment may be made with I the planets Venus Jupiter and Man uplor aft or with any of tho first magnitude stare nch an Sirius Canolla Arcturua Sirus C ln rctur J cga and AntarsM The plauuU and the stars however make only throe F images the number of images dcpcmt lag on the breadth of the object A perfeptly clear night Is essential Chicago Chi-cago RccordHeralI jI j I |