Ionosphere
The ionosphere /aɪˈɒnɵˌsfɪər/ is a region of Earth's upper atmosphere, from about 60 km (37 mi) to 600 km (370 mi) altitude, and includes the thermosphere and parts of the mesosph...
Ionosphere - Wikipedia
Unexpected Role Of Electrons In Creating Pulsating Auroras
Researchers have uncovered evidence for an unexpected role that electrons have in creating the dancing auroras. Thanks to a lucky conjunction of two satellites, a ground-based array of all-sky cameras...
Magnetosphere Mission Launches
NASA has successfully launched its MMS mission, a quarter of octagon spacecraft that will study how magnetic reconnection works in Earth's magnetosphere.
Unexpected Role Of Electrons In Creating Pulsating Auroras
Researchers have uncovered evidence for an unexpected role that electrons have in creating the dancing auroras. Thanks to a lucky conjunction of two satellites, a ground-based array of all-sky cameras...
Ring current
A ring current is an electric current carried by charged particles trapped in a planet's magnetosphere. It is caused by the longitudinal drift of energetic (10–200 keV) particles.
Earth's ri...
Ring current - Wikipedia
Ionized-air glow
Ionized-air glow is the fluorescent emission of characteristic blue–purple–violet light, of color called electric blue, by air subjected to an energy flux.
When energy is deposited to air, the ai...
Ionized-air glow - Wikipedia
F2 propagation
The E layer of the ionosphere is not the only layer that can reflect VHF television signals. Less frequently, the higher F2 layer can also propagate VHF signals several thousand miles beyond their int...
Alessandro Alessandroni
Alessandro Alessandroni (born March 18, 1925 in Rome) is an Italian musician. He plays multiple instruments, including the guitar, mandolin, mandolincello, sitar, accordion, and piano, and has compose...
Magnetospheric Multiscale Mission
The Magnetospheric Multiscale Mission (MMS) is a NASA unmanned space mission to study the Earth's magnetosphere, using four identical spacecraft flying in a tetrahedral formation. The spacecraft were ...
Damariscotta Helm
Damariscotta "Scottie" Helm is the World Whistling Grand Champion of 2011 at theInternational Whistlers Convention in Louisburg, North Carolina. 2011 was her second year competing where she placed 1st...
Barry Manilow
Barry Manilow (born Barry Alan Pincus; June 17, 1943) is an American singer-songwriter and producer. He is best known for such recordings as "Mandy", "Can't Smile Without You", and "Copacabana (At th...
Barry Manilow - Wikipedia
Fred Lowery
Fred Lowery (2 November 1909 – 11 December 1984) was a blind professional whistler who recorded a No. 9 Billboard chart hit version of The High and the Mighty with conductor and arranger LeRoy Holmes....
Skywave
In radio communication, skywave or skip refers to the propagation of radio waves reflected or refracted back toward Earth from the ionosphere, an electrically charged layer of the upper atmosphere. S...
Skywave - Wikipedia
Total electron content
Total electron content (or TEC) is an important descriptive quantity for the ionosphere of the Earth. TEC is the total number of electrons integrated between two points, along a tube of one meter squa...
Total electron content - Wikipedia
Magnetosheath
The magnetosheath is the region of space between the magnetopause and the bow shock of a planet's magnetosphere. The regularly organized magnetic field generated by the planet becomes weak and irregu...
Ionospheric sounding
In telecommunication and radio science, an ionospheric sounding is a technique that provides real-time data on high-frequency ionospheric-dependent radio propagation, using a basic system consisting o...
Atmospheric dynamo
The Atmospheric dynamo is a pattern of electrical currents that are set up in the Earth's ionosphere by multiple effects, mostly the Sun's solar wind, but also the tides of the Moon and Sun. The curre...
Near Vertical Incidence Skywave
Near vertical incidence skywave, or NVIS, is a skywave radio-wave propagation path that provides usable signals in the range between groundwave and conventional skywave distances—usually 30–400 miles ...
Near Vertical Incidence Skywave - Wikipedia
Ionospheric heater
An ionospheric heater, or an ionospheric HF pump facility, is a powerful radio wave transmitter with an array of antennas which is used for research of plasma turbulence, the ionosphere and upper atmo...
Bing Crosby
Harry Lillis "Bing" Crosby, Jr. (May 3, 1903 – October 14, 1977) was an American singer and actor. Crosby's trademark warm bass-baritone voice made him one of the best-selling recording artists ...
Bing Crosby - Wikipedia
Earth–ionosphere waveguide
The Earth–ionosphere waveguide refers to the phenomenon in which certain radio waves can propagate in the space between the ground and the boundary of the ionosphere.Because the ionosphere contains ch...
Earth–ionosphere waveguide - Wikipedia
Ionospheric storm
An Ionospheric storm is a turbulence in the ionosphere of the Earth's atmosphere. Such storms are triggered by enhanced flux of energetic electrons that are emitted at a large level by the Sun.
Kennelly–Heaviside layer
The Kennelly–Heaviside layer, named after Arthur E. Kennelly and Oliver Heaviside, also known as the E region or simply the Heaviside layer, is a layer of ionised gas occurring between roughly 90–150&...
Electrojet
An electrojet is an electric current which travels around the E region of the Earth's ionosphere. There are two electrojets: above the magnetic equator (the equatorial electrojet), and near the Northe...
Brother Bones
Brother Bones (October 4, 1902 – June 14, 1974) was an American whistling and bone playing recording artist from Montgomery, Alabama. Born Freeman Davis, his 1949 recording of the 1925 standard...
Brother Bones - Wikipedia
Magnetosphere
A rendering of the magnetic field lines of Earth's magnetosphereA magnetosphere is the area of space near an astronomical object in which charged particles are controlled by that object's magnetic f...
Magnetosphere - Wikipedia
Ionospheric Occultation Experiment
The Ionospheric Occultation Experiment (IOX) uses a dual frequency Global Positioning System (GPS) receiver to measure ionospheric properties, an ionosphere remote sensing satellite package. IOX demon...
D region
The ionosphere /aɪˈɒnɵˌsfɪər/ is a region of Earth's upper atmosphere, from about 60 km (37 mi) to 600 km (370 mi) altitude, and includes the thermosphere and parts of the mesosph...
Magnetopause
The magnetopause is the abrupt boundary between a magnetosphere and the surrounding plasma. For planetary science, the magnetopause is the boundary between the planet’s magnetic field and the solar w...
Magnetopause - Wikipedia