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Page "learned" ¶ 7
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radio and radiation
For the case of Jupiter, the radio emission spectrum is definitely not like the spectrum of a black-body radiator, and it seems very likely that the radiation reaching the earth is a combination of thermal radiation from the atmosphere and non-thermal components.
No attempts to measure the radio emission of the remaining planets have been reported, and, because of their distances, small diameters, or low temperatures, the thermal radiation at radio wave lengths reaching the earth from these sources is expected to be of very low intensity.
The study of the radio emission of the moon and planets began with the detection of the thermal radiation of the moon at 1.25-cm wave length by Dicke and Beringer ( 1946 ).
Piddington and Minnett explained their observations by pointing out that rocklike materials which are likely to make up the surface of the moon would be partially transparent to radio waves, although opaque to infrared radiation.
The infrared emission could then be assumed to originate at the surface of the moon, while the radio emission originates at some depth beneath the surface, where the temperature variation due to solar radiation is reduced in amplitude and shifted in phase.
The observable characteristics of planetary radio radiation are the intensity, the polarization, and the direction of arrival of the waves.
Other than this very significant result, most of the information now available about the radio emission of the planets is restricted to the intensity of the radiation.
It has a supermassive black hole at its core, which expels massive jets of matter that emit radio waves due to synchrotron radiation.
The electromagnetic spectrum, in order of increasing frequency and decreasing wavelength, consists of radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays and gamma rays.
For lower frequencies of EMR up to those of visible light ( i. e., radio, microwave, infrared ), the damage done to cells and also to many ordinary materials under such conditions is determined mainly by heating effects, and thus by the radiation power.
In general, EM radiation ( the designation ' radiation ' excludes static electric and magnetic and near fields ) is classified by wavelength into radio, microwave, infrared, the visible spectrum we perceive as visible light, ultraviolet, X-rays, and gamma rays.
For this reason, infrared, microwaves, and radio waves are thought to damage molecules and biological tissue only by bulk heating, not excitation from single photons of the radiation ( however, there does remain controversy about possible non-thermal biological damage from low frequency EM radiation, see below ).
When EM radiation at the frequences for which it is referred to as " radio waves " impinges upon a conductor, it couples to the conductor, travels along it, and induces an electric current on the surface of the conductor by moving the electrons of the conducting material in correlated bunches of charge.
This happens both for infrared, microwave, and radio wave radiation.
For low-frequency radiation ( radio waves to visible light ) the best-understood effects are those due to radiation power alone, acting through the effect of simple heating when the radiation is absorbed by the cell.
Different frequencies of oscillation give rise to the different forms of electromagnetic radiation, from radio waves at the lowest frequencies, to visible light at intermediate frequencies, to gamma rays at the highest frequencies.

radio and sun
He and Superman had originally gone to the world to have a proper fight as Superman did not want to appear cowardly after Luthor over a radio challenged him to a fight, as this planet had a red sun meaning Superman lost his powers there.
The Cambridge group of Ryle and Vonberg observed the sun at 175 MHz for the first time in mid July 1946 with a Michelson interferometer consisting of two radio antennas with spacings of some tens of meters up to 240 meters.
At Stanford Professor Bracewell constructed a microwave spectroheliograph ( 1961 ), a large and complex radio telescope which produced daily temperature maps of the sun reliably for eleven years, the duration of a solar cycle.
It featured a stainless steel roof, air suspension, the first automatic two-position " memory " power seats, a dual four-barrel V-8, low profile tires with thin white-walls, automatic trunk opener, Cruise Control, high pressure coooling system, polarized sun visors, Signal-Seeking twin speaker radio, electric antenna, automatic-release parking brake, electric door locks, dual heating system, silver magnetized glovebox, drink tumblers, cigarette and tissue dispensers, lipstick and cologne, ladies compact with powder puff, mirror and matching leather notebook, comb and mirror, Arpège atomizer with Lanvin perfume, automatic starter with restart function, Autronic Eye, drum-type electric clock, power windows, forged aluminum wheels and air conditioning.
* February 27-James Stanley Hey, a British Army research officer, first detects radio waves emitted by the sun, helping to pioneer radio astronomy.
The crew is cut off from radio contact with Earth and the light of the sun, and both the crew and their families fear they are lost forever.
* 27 February: James Stanley Hey, a British Army research officer, helps develop radio astronomy, when he discovers that the sun emits radio waves.
The BMW 750iL Highline was the top-of-the-line model of the E32, with lots of added luxury for the rear passengers like full leather, dual radio controls, dual climate control with coolbox mounted in the center console, electrically heated and adjustable rear seats, walnut veneer folding tables, two crystal glasses neatly placed in the coolbox, legrests, and sun shade all around the rear / side windows.
One of the novelty items was a simple volume control rocker switch and a pre-set radio station channel selector installed on the instrument binnacle within reach of the right hand ; the opposite side of the instrument binnacle had a button to open, tilt or close the standard equipped glass moonroof with sun shade.
Both the S600 roadster and coupé were available in standard trim and a special, upgraded package called the SM600 which included, among other items, special paint colors, exclusive badging, a standard radio and speaker, a special antenna in the passenger side sun visor, standard reversing lights, a standard cigarette lighter, a standard heater, better cushioned seats, and a detachable seat track for quick removal of the passenger seat.
It featured a stainless steel roof, air suspension, the first automatic " memory " power seats, a dual four-barrel V-8, low profile tires with thin white-walls, automatic trunk opener, Cruise Control, high pressure coooling system, polarized sun visors, Signal-Seeking twin speaker radio, electric antenna, automatic-release parking brake, electric door locks, dual heating system, silver magnetized glovebox, drink tumblers, cigarette and tissue dispensers, lipstick and cologne, ladies compact with powder puff, mirror and matching leather notebook, comb and mirror, Arpège atomizer with Lanvin perfume, automatic starter with restart function, Autronic Eye, drum-type electric clock, power windows, forged aluminum wheels and air conditioning.
The Cybermen use radio beams to reactivate their zombies inside the base, who infiltrate the Gravitron and use it to deflect a relief ship sent by Earth into the sun.
Yeang and his ecodesigns have been featured in a number of special broadcasts, including BBC ( UK ) television and radio, NHK ( Japan ), Asia Discovery Channel ( Asia ), PBS ( USA ) ‘ design = e2 ’ ( in which the actor Brad Pitt refers to Yeang's work, '... wind, rain and the sun, in the minds of most architects, they are the enemies .. but what if buildings can utilise and respond to the conditions of the environment?
* For personnel who are flying over large bodies of water, a survival kit may have additional items such as flotation vests, fishing nets, fishing equipment, fluorescent sea marking dye, a flare launching gun and cartridges ( and perhaps a revolver and tracer ammunition ), a survival radio ( e. g., an AN / PRC-90 ), a distress marker light, a Sea Water Still for desalt seawater, a raft repair kit, a paddle, a bailer and sponge, sunscreen, medical equipment, a whistle, a compass, and a sun shade hat.
As the muscle car market took shape, Ford introduced a Ford Fairlane Thunderbolt for drag racing for 1964, heavily modified to incorporate Ford's 427 CID ( 7. 0 L ) V8 race engine with two four-barrel carburetors on a high-riser manifold, ram-air through the openings left by deleting the inboard headlights, equal-length headers, trunk-mounted battery, fiberglass hood, doors, fenders and front bumper, acrylic glass windows, and other lightweight options, including deleted rear-door window winders, carpeting, radio, sealant, sun visors, armrests, jack, lug wrench, heater, soundproofing, and passenger-side windshield wiper.

radio and which
On a shelf in the office behind the counter was a small radio dialed permanently on a station which broadcast only vulgar commercials and cheap popular music.
Sipping their coffee, discussing the weather, the day's shopping, Fritzie's commitments at the network ( all of which he would cancel ), they avoided the radio, the morning TV news show, even the front page of the Santa Luisa Register, resting on the kitchen bar.
Rather, such assignments are made, as they must be, on the basis of certain overall rules and standards, representing to some extent a statistical approach to the problem, taking into account for each situation some of the variables ( e.g., power and station separations ) and averaging out others in order to achieve the balance which must be struck between protection against destructive interference and the assignment of a number of stations large enough to afford optimum radio service to the Nation.
The rules and policies to be applied in this process of course must be based on objectives which represent what is to be desired if radio service is to be of maximum use to the Nation.
Several years ago headlines were made by a small radio transmitter capsule which could be swallowed by the patient and which would then radio internal pressure data to external receivers.
`` It is as though '', I said on the historic three-hour, coast-to-coast radio broadcast which I bought ( following Father Coughlin and pre-empting the Eddie Cantor, Manhattan Merry-go-round and Major Bowes shows ) `` That Man in the White House, like some despot of yore, insisted on reading my diary, raiding my larder and ransacking my lingerie!!
The results of present observations of the thermal radio emission of the moon are consistent with the very low thermal conductivity of the surface layer which was derived from the variation in the infrared emission during eclipses ( e.g., Garstung, 1958 ).
Observations of the radio emission of a planet which has an extensive atmosphere will probe the atmosphere to a greater extent than those using shorter wave lengths and should in some cases give otherwise unobtainable information about the characteristics of the solid surface.
In spite of this, the very large radio reflectors and improved amplifying techniques which are now becoming available should make it possible to observe the radio emission of most of the planets in a few years.
and that the maximum of the radio emission came about 3-1/2 days after Full Moon, which is again in contrast to the infrared emission, which reaches its maximum at Full Moon.
In the discussion which follows, the time average of the radio emission will be referred to as the constant component, and the superimposed periodic variation will be called the variable component.
Sponsor quotes John McLendon of the McLendon-Ebony station group as saying that the Southern Negro is becoming conscious of quality and `` does not wish to be associated with radio which is any way degrading to his race ; ;
`` Negro-appeal radio is more important to the Negro today, because it provides a direct and powerful mirror in which the Negro can hear and see his ambitions, achievements and desires.
The radio broadcast of the September 8, 1937 Hollywood Bowl George Gershwin Memorial Concert, in which An American in Paris, also conducted by Shilkret, was second on the program, was recorded and was released in 1998 in a two-CD set.
A 1945 radio series of at least 13 original half-hour episodes ( none of which apparently adapt any Christie stories ) transferred Poirot from London to New York and starred character actor Harold Huber, perhaps better known for his appearances as a police officer in various Charlie Chan films.
On the 2007 deluxe edition release, it is revealed that parts of this tape were used for the 1976 Griffith Park Planetarium launch of the original album, the 1987 remix, and various radio spots, all of which were included as bonus material.
Of course, a loss of radio communications may also be the cause for a lack of response, in which case a pilot would usually squawk 7600 anyway.

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