Sentences with phrase «in auroral»

They were most visible in the auroral belt shown in Figure 1, which is well north at this time of year.
In the auroral zone, which is generally under continuous and much stronger geomagnetic / magnetospheric activity control than low and middle latitudes, the trends seem to be still under dominant geomagnetic control as suggested by the foE trends as observed at auroral station Tromso (Hall et al. 2011).
The appearance of the plumes in this graphic is based on spectroscopic observations of oxygen and hydrogen in the auroral emissions.
The researchers believe this may lead to new scientific findings, while working to engage the public in auroral research.

Not exact matches

There, the charged particles strike molecules in Earth's atmosphere that release photons of various colors (red hues come from oxygen, for example) and light up polar regions in frequent auroral displays.
In addition, we'll see auroral activity thanks to coronal holes — openings in the Sun's magnetic field that let its powerful solar wind escape into spacIn addition, we'll see auroral activity thanks to coronal holes — openings in the Sun's magnetic field that let its powerful solar wind escape into spacin the Sun's magnetic field that let its powerful solar wind escape into space.
A map of MAVEN's Imaging Ultraviolet Spectrograph (IUVS) auroral detections in December 2014 overlaid on Mars» surface.
NASA's Fast Auroral Snapshot (FAST) satellite, launched in 1996, now has spied the outgoing electrons that close the loop, according to results shown here yesterday at a meeting of the American Geophysical Union.
Cluster's observations provide «the first look at the future of auroral research,» says space physicist Patrick Newell of the Johns Hopkins University Applied Physics Laboratory in Laurel, Maryland.
In 2015, NASA launched the Magnetospheric Multiscale spacecraft to study the mysterious interactions between Earth and the solar wind when our planet's magnetic field lines occasionally break and reconnect, which also affects auroral activity.
According to a NASA news release, the auroral light appears in the near infrared at wavelengths of three to four microns.
But in a series of Hubble campaigns between 2005 and 2009, Nichols and his colleagues compiled enough images to show that the auroral activity at the planet's poles tends to peak in synchrony with the intensity of the SKR.
Magnetic storms recorded as auroral sightings in Meigetsuki («The Record of the Clear Moon,» ca 1180 - 1241) by Fujiwara no Teika of Japan, and in Song Shi («History of Song,» commissioned 1343) from China, have given researchers the ability to reconstruct a chronology of past astronomical events.
«This is our best look yet at the rapidly changing patterns of auroral emission,» said Wayne Pryor, a Cassini co-investigator at Central Arizona College in Coolidge, Ariz. «Some bright spots come and go from image to image.
The far ultraviolet images revealed that the front edges of the shimmering auroral curtains, which can stretch 1000 kilometers tall on Saturn, raced across the planet's surface at more than 4 kilometers per second — about three times faster than the planet rotates, the researchers report in a forthcoming issue of Geophysical Research Letters.
In addition to brilliant auroral displays, the electric telegraph - the Victorian internet — was found to be disrupted during periods with large geomagnetic storms.
The new results come from Hubble's observations of Ganymede's magnetic field, which produces two auroral belts (pictured) that can be detected in the ultraviolet.
Steve is an important discovery because of its location in the sub auroral zone, an area of lower latitude than where most auroras appear that is not well researched.
NASA's IMAGE satellite, which studies the magnetosphere and auroral lights near the north and south poles, has captured numerous views of energetic «proton auroras» in ultraviolet light.
A subsequent article in India's The Hindu expanded on Rodionov's statement, indicating that he was likely referring to the U.S.'s High Frequency Active Auroral Research Program (HAARP) observatory established in 1993.
For one, with this discovery, scientists now know there are unknown chemical processes taking place in the sub auroral zone that can lead to this light emission.
However, there is a third magnetic field in the mix — one emanating from the electrically conductive, saltwater ocean and induced by Jupiter's field — that counterbalances Jupiter's field and reduces the rocking of the auroral belts.
That came when the European Space Agency's Cluster satellites passed far above an auroral spot in March 2002 and detected a cascade of solar wind particles inside the magnetosphere.
High - resolution thermal imaging of Jupiter by the COoled Mid-Infrared Camera and Spectrometer (COMICS) mounted on the Subaru Telescope on Maunakea is providing information that extends and enhances the information that the Juno mission is gathering in its unprecedented mission to probe that planet's interior and deep atmospheric structure together with details of the magnetosphere and its auroral interactions with the planet.
According to Mr Laine, the inversion layer hypothesis also gives a credible explanation for why auroral sounds have only been heard in calm weather conditions.
The new extension will make it possible to study the auroral regions above Earth's poles and widen the investigations of the magnetosphere — its inner region in particular.
Cassini UVIS observations revealed recently the presence of small - scale structures in the dayside main auroral emissions indicative of magnetopause Kelvin - Helmholtz instabilities, which are key elements of the solar wind - magnetosphere viscous interaction (Grodent et al. 2011).
Alaska's super-power High - Frequency Active Auroral Research Program (HAARP) transmitters in Gakona, Alaska, will fire up again for the spring research campaign April 6 — 14.
The mass loading required in this model can be achieved through interaction with the interstellar medium (ISM), the sputtering of the dwarf atmosphere by auroral currents, a volcanically active orbiting planet or magnetic reconnection in the photosphere.
How does the solar wind determine the strength and morphology of auroral features in the giant planets?
Auroral emissions, occurring when charged particles in a planetary object's magnetosphere collide with atoms in its upper atmosphere, causing them to glow, are an important demonstration of planetary space weather.
Recently, signatures of CO Cameron and CO2 + doublet ultraviolet auroral emissions have been detected with SPICAM (Gérard et al. 2015); they showed that the Mars aurora is a temporary and spatially localized phenomenon appearing near the open - closed magnetic field line boundary in cusp - like structures.
Moreover, Hallinan et al. (2015) showed that since the observed auroral emissions depended mainly on magnetic dipole moment and rotation (and may have been weakly coupled to other physical characteristics), aurora may be present at detectable levels even in the faintest T and Y dwarfs and bodies as well as from exoplanets.
The last major solar flare was the «Carrington event» of 1859, which produced massive worldwide auroral displays and made the telegraph system do some scary things: Aside from delivering shocks to operators, telegraph paper caught fire, and there was enough residual juice in the system to send and receive telegrams even after they shut the network down.
Stallard and his team will be taking advantage of the Juno spacecraft currently in orbit around Jupiter, particularly the observations of Jupiter's aurora and upper atmosphere by the Jovian Infrared Auroral Mapper (JIRAM) instrument.
Our auroral camera network started regular operation in 1957, and in the 1980's we began to build instruments for space probes, extending our research to planetary science.
Cassini used its Ultraviolet Imaging Spectrograph to capture this final view of ultraviolet auroral emissions in Saturn's north polar region on Sept. 14, 2017.
The Nobel Committee wanted to nominate Kristian Birkeland for the prize, in recognition of the furnace he invented rather than the auroral theory he devised.
The Zodiacal Light is more easily seen at locations near to the equator and Birkeland hoped his research in Africa might provide the proof he needed for his auroral theories.
The aurora are the most dramatic, mysterious phenomena caused by the sun so I contacted scientists at the Auroral Observatory in Troms for advice on when and how to film them.
Auroral emissions typically occur at altitudes of about 100 km (60 miles) and are often green, white, or reddish in colour depending on what species (atomic oxygen, molecular oxygen, or nitrogen, respectively) is primarily emitting light.
In the colour - coded image, which simultaneously shows dayside and nightside auroral activity, the most intense levels of activity are red, and the lowest levels are blue.
Earth's full North Polar auroral oval, in an image taken in ultraviolet light by the U.S. Polar spacecraft over northern Canada, April 6, 1996.
Thanks for filling in the details as below: The EPP IE interannual variability correlated very well, however (correlation coefficient of 0.85 — 0.90), with auroral and medium energy hemispheric power,
The colourful auroral displays often seen in polar latitudes are associated with bursts of high - energy particles generated by the Sun.
The intensive particle fluxes in the magnetosphere plasma sheet during the CME - driven storms penetrate into the auroral zone and produce the famous auroras.
The geographical distribution of these events, shown in Section 3.3, fits very well with the boundaries of the auroral zone.
The experimental behavior supports the storm scenario the traveling atmosphere disturbances (TADs) of auroral origin and changes in the thermospheric wind are the main physical mechanisms driving equatorward - directed and vertical winds which in turn move the plasma along the magnetic field lines and raise the ionospheric peak height.
They collide with and excite gases of the upper atmosphere creating the auroral ring in Figure 1.
It is also known as Armour of Erdrick in Dragon Quest II and as Auroral Armour in Dragon Quest III.
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