Show Astronomers Expect to For Forecast cast Weather a Season in Advance Observations of Sun Being Made to Bring Science to Aid of Agriculture CHICAGO CHICAGO July 5 Astronomical V a i that scientists say soy may make It pO to forecast Weather a 8 season in advance ance were announced to today today to- to dL day b by Prof E E. n B. B Frost rost of oC Yerkes observatory Williams Ba Bay WIs The fhe announcement is the result of or ten years years' tabulation of oC observations of ot th the sun The Tho records show that tho the solar constant does dOCH not exist a as tho the sun suns Is s a variable star and that solar radiation radiation radia- radia tion ion is Indicated b by the sun spots which wax vax and wane in a regular cycle oCel of oC el eleven cn years rears The observations were mn made e according accord accord- In ing ng to Professor Frost for tor tho the pur- pur po pose oso e of or bringing InS the thc science of ot astronomy astron- astron om my omy to the aid of ot agriculture In order that hat farmers ma may know In advance of ot planting slanting seasons what crop prospects arc are Variation in solar hc heat t amounting to more than 5 per PCt cent In a n week was discovered ered co Radiation from the sun is high when sun un spots are are- numerous At present tho the sun un spots are aro few but In two wo years eatS It fl is js expected that a n. lar largo large o number will will develop a according to the professor protessor Tho observers are arc devoting their whole attention to tho the observations of the he sun spots which experience has shown hown affect the life lIfo on this planet planeL |