ionospheric layer
51D.W. Barron — David W. Barron Born 1935 Residence UK Citizenship UK …
52Plasma (physics) — For other uses, see Plasma. Plasma lamp, illustrating some of the more complex phenomena of a plasma, including filamentation. The colors are a result of relaxation of electrons in excited states to lower energy states after they have recombined… …
53Gamma ray burst — [ GRB 990123 taken on January 23, 1999. The burst is seen as a bright dot denoted by a square on the left, with an enlarged cutout on the right. The object above it with the finger like filaments is the originating galaxy. This galaxy seems to be …
54Medium frequency — Frequency range 0.3 to 3 MHz ITU Radio Band Numbers 1 2 3 4 5 6 7 8 9 10 …
55Skywave — is the propagation of electromagnetic waves bent (refracted) back to the Earth s surface by the ionosphere. As a result of skywave propagation, a broadcast signal from a distant AM broadcasting station at night, or from a shortwave radio station… …
56Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
57Appleton, Sir Edward Victor — ▪ British physicist born Sept. 6, 1892, Bradford, Yorkshire, Eng. died April 21, 1965, Edinburgh, Scot. British winner of the Nobel Prize for Physics in 1947 for his discovery of the so called Appleton layer of the ionosphere, which is a… …
58Mars 96 — Model of the Mars 96 Orbiter Operator Russian Space Forces Mis …
59Atmospheric diffraction — is manifested in the following principal ways:* Fourier optics is the bending of light rays in the atmosphere, which results in remarkable visual displays of astronomical objects, such as depictions on this page.* Radio wave diffraction is the… …
60D region — the lowest region of the ionosphere, in which the D layer develops. [1925 30] * * * ▪ atmospheric science lowest ionospheric region, at altitudes of about 70 to 90 km (40 to 55 miles). The D region differs from the other ionospheric regions …
