Word: solarized
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Dates: during 1960-1969
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Analysis of radio records from Texas and Australia has answered many questions about the sun. By combining these records with the motion pictures taken with optical solar observatories all over the world, astronomers have pieced together a theory for the general mechanism which causes giant explosions on the face of the sun--solar flares. The most important concept for analyzing the records is the fact that the frequency of a radio outburst corresponds to the height above the sun's surface emit high frequency signals; bases higher in the solar corona radiate at lower frequencies. Thus, a change...
...Harvard Radio Astronomy Station was originally conceived strictly as a solar research project, but it is now branching out to study some of the other radio sources. A new $1,000,000 instrument, financed by the Air Force, now rises over 100 feet above the rocky soil of Cook Flat, dwarfing the solar equipment...
...roughly 1,000 kilometers per second (1/300th the speed of light). Such bursts are often associated with large flares and are often followed in one or two days by auroral displays and geomagnetic storms on earth. Thus the slow-drift burst probably heralds the ejection of solar protons. The theoretical velocity of the protons--1,000 km/sec, producing a sun-earth travel time of 40 hours correlates well with the observed delay between solar and terrestrial events...
...continuum bursts themselves are caused by a process known as synchrotron radiation: when electrons traveling at speeds near that of light are accelerated they emit a broad-band radiation. Any modern theory concerning solar flares must somehow explain where these high-speed electrons come from and how they are accelerated in order to explain Type IV radio emission...
Next year is the low-point in the 11 year cycle of solar activity; it will be known to the world's scientific community as the International Year of the Quiet Sun (IYQS). For the Fort Davis station this means that there is little reason to operate the solar equipment, for the exciting radio activity that led to so many discoveries at solar maximum (1959) will be virtually nonexistent. The observations will continue only to preserve continuity of the records. The team out in Texas will have plenty to do, however, working with a new antenna which was built last...