Duchesne Courier | 1924-09-26 | Page 5 | Why Stars Appear to "Twinkle" in the Sky

Why Start Stars Appear to Twinkle in the Sky The twinkling of or stars IB is c caused used by bythe bythe the continual and frequent nt refraction retraction ut of light liht waves waye aa as they pass through the time layers layer of atmosphere which vary In density and temperature As As- the tight light travels through h the atmosphere the rays are bent back and aDd forth so so frequently that to nn an observer the th stars themselves seem to dance dunce and twinkle A star close cloie to the horizon usually twinkles more than one directly direct direct- ly overhead This la Is because the time lI light ht rays reaching the time observer travel a greater distance through the at at- Besides light traveling more or less parallel with layers of ot atmosphere Is refracted retracted more Pathfinder Magazine Mag