Evening Star Newspaper, April 28, 1929, Page 15

THE SUNDAY STAR, WASHINGTON, D. C., APRIL 28, THEDRY 0 SOLAR SYSTEM ISCUSSED t Paper by Prof. Alter Is Read at Meteorological So- ciety Meeting. a) BY THOMAS R. HENRY. svstem was placed before the American Meteorological Soclety at its annual | meeting at the Weather Bureau yes-j{) terday in a paper by Prof. Dinsmore| Alter. | This paper, which was read by Dr. C. H. Marvin, director of the Weather Bureau, was based on a theory of the nature of sun spots, which are sup- posed to be in the nature of whirlpools on the sun, and which seem to follow cycles in attaining their maximum and || minimum numbers. \‘ These sun spot cycles, the paper pointed out, follow quite closely the orbits of Jupiter and Saturn, attaining their maximum when these stars are in position to exert a combined gravi- tational pull on the matter composing the sun. Prof. Alter also pointed out that similar cycles, on a smaller scale, can be observed in connection with the gravitational pull of the smaller planets, maximums being reached at times when Mercury, Venus and the earth are in positions so that two of them act as a single attracting body The gravitational pull, it was pointed out, is extremely small compared with the mass of the sun but even a small pull would produce marked effects be- cause the outer layers of the sun are so delicately balanced between the | gravity of the sun itself pulling the particles of matter towards the center and the radiation from the interior pushing them out again. | Since numerous efforts have been made to tie up the sun spot cycles with weather, the theory of their close con- nection with the orbitary motions of the greater outer planets might prove of much importance in predictions, if the system ever becomes established. The explanation now commonly ac- cepted for the origin of the solar s is that at some time billions of ago another star passed too close to the fun, its gravitational attraction raising | such a tide on the sun's surface that come of the material escaped into space where it condensed into the eight nlanets which now revolve about the { | o | | { sun. It is difficult, Prof. Alter said. to conceive of another star passing close enough to raise a tide comparable to that now raised by the planets them- selves. An alternative explanation, he said, was that the sun, which is a pu'sating star, threw out small quantities of mat- | ter into space from time to time which came together and eventually formed into a small plenet. This b-gan to raise small tides on the sun, pulling out more matter, which came together into a larger planet. Then the two com- bined their gravitational pull to obtain matter for a third planet, and so on until the present system was formed. Thus the planetary svstem might be said to have created itself. The sun might appear green to one | standing outside the earth’s atmosphere, | said Dr. H. H, Kimball, in charge of the solar radiation work of the Weath- er Bureau. -He explained that most of the ultra-violet light from the sun is shut out by the atmosphere before it | reaches the surface of the earth. 1If vou look at your shadow on dewy grass and see a hale around your head it is no evidence of holiness. said Prof. W. J. Humphreys of the Weather Bu- read. This is & not uncommon phe- nomenon, somewhat of the nature of | 2 rainbow and caused by the refrac-| tion of light through the dewdrops, he explained. ‘These halos in the gr Dr. Hum- phreys said, once were n quite se- riously as evidence of divine favor. Benvenuto Cellini once fought a duel because somebody questioned his story that the Lord had put a halo around | his head, due to his notorjously disso- || Jute life. Cellini, however, had seen it | with his own_ eyes. | Prof. Humphrey explained as a sim- | ple mirage the common optical illusion of autoists who think they see great | stretchés of water on the road ahead of them, but find the surface perfectly dry when they reach it Although temperatures in the upper (| | atmosphere, from 50 to 100 kilometers above the surface of the earth, may approach the boiling point of iron, or 1.000 degrees centigrade, as called for in recent theories of meteorological phenomena, now such evidence has been furnished by trial balloons which have ascended as high as 30 kilometers, sald C. J. McGregor of the Weather | Bureau. Leaving the earth, the higher one goes the colder it gets as the atmos- phere gets thinner until, according to balloon observations, a temperature o!“ about 50 is reached at from 10 to 15| kilometers. From then on, as the air ! grows thinner and thinner offering less | and less resistance to the direct heat | of the sun, it has been assumed that it | would grow hotter and hotter. McGregor, working under the direc- tion of Dr. Humphreys, examined the } records of the six trial balloon ascen- sions which have gone over 25 kilo- meters. All of these showed a slight in- crease in temperature after a height of | from 10 to 15 miles, but this was hardly | greater than could be explained by| changes in the rate of ascent and other | factors aside from the actual tempera- | ture which might effect the instru- ments. With these corrections, the tem- perature remained practically constant from 10 to 30 kilometers, at about 50. Prof. Humphreys insisted that the as- sumption of a high temperature was not essential to explain the upper atmos- phere phenomena. The League of Nations proposal to change the calendar into a simpler sy: tem. with a vear of 13 months of four | weeks each, is meeting much opposition | in the United States from persons who fear the correct order of the Sabbath will be disturbed, said Prof. Marvin, is & member of the American com- | mittee which is trying to determine pub- | lic sentiment. This opposition has arisen, he said, although the project | had been practically approved by the [ three great apostolic churches, the Ro- man Catholic. the Greek Orthodox and the Church of and, before it was submitted 10 th ions by the League | By {in flight, which, if successful, is ex- pected to stimulate progress of the air | mail, is to be tested by the Post Office | Department this week on the Pitts- | | burgh-Cleveland air mail route. - and officials said the device would be | throughout the _country The possibility of a self-created solar = prove its feasibility. | this work, the device would permit air- | planes to fly at a speed of 100 miles an | hour or more, while the mail bags were | being delivered or taken on. | Pennsylvania, | Congress, sald he has introduced a bill 'for every 1,000 inl |Plane Will Try to Take On and Unload Mail Bags While Speeding Over Route | to place a postal clerk on each mal plane so mail could be sorted tributed during flight as on trains. the Associated Press. A device intended to permit airplanes 0 drop and pick up bags of mail while town, Ohio. test, the staging of the Announcement of the tests was made | esterday at the Post Office Department six days. Two-Fold Process Involved. pproved by the department for in- the air mail routes if the tests tallation on device, which was invented by Adams of San Francisco, the ma Kelly Urges Mail Clerks. Considered by Post Office officials as | ne of the simplest mechanisms for | which would be attached to an aul matic winding wheel under the plane fuselage. framework, 30 feet high, of a funne | shape which would be joined at one en and with an open end 60 feet wide. Bolivia has less than one telephoni habitants. Representatives Kelly, Republican, of | 0 has sponsored most | { the air mail legislation enacted by and dis Mr. Kelly said three towns, Youngs- Beaver Falls, and New castle, Pa., were being considered for | which is scheduled to take place within the next A two-fold process is involved in the | . 8. | il bags | would be picked up or dropped from | spartments, Seventeenth and I streets, the plane by a 75-foot. light steel cable On the landing field the de- vice consists of a two-sided light steel el HEARDAUN G " INURES DOETO | Five Children Which Are Part of Day’s Traffic Record. Dr. Harold Herfurth of the Farragut | | was knocked down by a hit-and-run | 's | automobile yesterday afternoon. | Dr. Herfurth was crossing I street between Thirteenth and Fourteenth | d | streets when the accident occurred. | The driver failed to halt, and the in- jured man was taken to Emergency Hospital in a passing automobile. There he was treated by Dr. J. E. Lewis e in Accidents | of the staff for bruises and lbrnsmns! to his knee. Pive children sustained minor in- juries in other traffic accidents yester- day. } Four-year-old Kathryn Chamolus of 204 Arthur place was struck at First and B streets by an automobile driven | | by willilam A. Scroggins of 41A Bates| | sireet. The little girl was taken to Casualty Hospital, where she was treat- | ed by Dr. Louis Jimal of the staff. While playing on K street, between | Twenty-first and Twenty-second streets. Paul Layetz, colored, 7 years old. of | 2201 K street, was struck by an auto- | mobile, the name of the driver of which’ was not ascertained. He was treated at Emergency by Dr. C. B.| White for bruises. Robert Osborne, 12 years old, of 2217 | Fourteenth street, was felled by an | automobile as he was walking through | an alley in rear of his home. The car| was driven by George Powell of 2215} Fourteenth street. The boy Wwas taken to Emergency Hospital in_the ambu- lance and treated by Dr. Lewis for a slight laceration to his face. While playing in front of esterday afternoon, Junior H. Jenkins. | Y Jears old, of 2029 Wisconsin avenue. | was knocked down by & truck operated | by Isadore Randall of 4119 Gnn'lmnl | | | | t his home | 1920—PART 1. | road. | T | McALPINE LOSES COURT street. At Georgetown Hospital, where the boy was taken in a passing automo- bile, it was said that his right leg was | broken below the knee. His foreheaa | is also lacerated. Four-year-old James Harding of 3014 Park place, sustained slight bruises and abrasions about, his face and body when | Shares of Copper Stock Or- » was struck by an automobile drh by Mre. Emma. Moon of 835 Tnevshem s s street, on Warder street near Columbia| By the Associated Press. Mrs. Moon took the child Hospital for treatment. oy A new small plane only 20 feet from‘ many. It flew at the rate of 125 miles | o :?eshour and rose 3,000 feet in 3 "n‘u:- Stock 1,191,993 shares of to the treasury. "KITT €O, 1330 G St—KITT CO., 1330 G St.—KITT C0., 1330 G St. i 53’(\0 nal RADIO) SALE Limited to One Week But Will Positively End the Minute Last One is Sold All-Electric RESHMA RADIO Complete Nothing Else to Buy Sale Price . . . ... .. $116.50 50 Featuring the NEW— Shielded Screen GRID TUBE Allowance for your old Radio, This new UX222 Tube develops 5 to 7 times greater radio frequency amplification than any tube hereto- fore used.” The balance of the set employs standard AC tubes. Single Dial operation with volume control, selector and switch. Lineof Both the Dynamic and the full Magnetic speakers employed. full Hair-line selectivity and volume tone without distortion. 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