Sentences with word «auroral»

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.

Recently, Hallinan et al. (2015) reported simultaneous radio and optical spectroscopic observations (obtained with the Karl G. Jansky Very Large Array (VLA) radio telescope and the Double Spectrograph (DBSP) on the 5.1 - m Hale telescope, respectively) of auroral emissions of an object at the end of the stellar main sequence (i.e. at the boundary between stars and brown dwarfs).

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.

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 researchers believe this may lead to new scientific findings, while working to engage the public in auroral research.

The antennas belong to the High Frequency Active Auroral Research Program (HAARP), a former U.S. military facility near the hamlet of Gakona.

This picture of the Jupiter's South Pole is a mosaic of many images acquired by the Jovian InfraRed Auroral Mapper at wavelengths around 5 µm during perijove pass # 4.

The Jovian Infrared Auroral Mapper (JIRAM), supplied by the Italian Space Agency, acquired some remarkable images of Jupiter at its north and south polar regions in infrared wavelengths.

Unless a new patron emerges, the U.S. Government's High Frequency Active Auroral Research Program is threatened with closure next month

Nearly circular bands, called auroral ovals, surround both poles of our planet.

We also analyse other available proxies of solar activity, such as variations of the cosmogenic nuclides 10Beand 14Cas well as auroral activity.

At times of maximum solar activity, the magnetic ferment represented by sunspots frequently releases and leaps across space to Earth — to foment magnetic storms that disrupt communications networks and light the polar skies with auroral displays.

NASA's Hubble Space Telescope observed a pair of auroral belts encircling the Jovian moon Ganymede.

But no one had ever detected auroral light on Jupiter.

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.

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.

«Acoustics researcher finds explanation for auroral sounds.»

FAST's results also explain the origins of radio waves that flow into space from auroral regions with a power of billions of watts, says atmospheric physicist Robert Ergun of the University of Colorado, Boulder.

When the first of these images was made, a bright auroral substorm was just beginning to form; by the time of the last image, 47 minutes later, the storm — in red, outlined by yellow — had grown much more intense.

This means that from any angle you look perfectly lit, with a natural auroral appearance to you skin.

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.

It is also known as Armour of Erdrick in Dragon Quest II and as Auroral Armour in Dragon Quest III.

A map of MAVEN's Imaging Ultraviolet Spectrograph (IUVS) auroral detections in December 2014 overlaid on Mars» surface.

The Jovian Auroral Distributions Experiment (JADE) is a set of sensors detecting the electrons and ions associated with Jupiter's auroras.

Newell calls for a dedicated multisatellite mission to explore auroral circuits closer to Earth.

To be cut from fiscal year 2006 budget: Mission: Fast Auroral Snapshot Explorer (FAST) Launched: August 21, 1996 Objective: Study space plasma and Earth's aurora

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.

As it hit the Earth's magnetic field it created spectacular Auroral displays spreading from Europe to North America.

We discuss the East Asian naked - eye sunspot observations, the telescopic solar observations, the fraction of sunspot active days, the latitudinal extent of sunspot positions, auroral sightings at high latitudes, cosmogenic radionuclide data as well as solar eclipse observations for that period.

And many argued that the magnetic tension from field lines in auroral electrojets, which, like our own northern lights, become visible when bursts of charged particles streak along the magnetic fields at the Jovian poles, could provide the necessary connection.

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).

Scientists expected to find similarities to Earth's auroras, but Jovian auroral processes are proving puzzling.

Studies of dayside auroral dynamics.

He also has developed many optical and infrared instruments such as the ground - based auroral imager and spectrometer and infrared Echelle spectrometer.

That man who does not believe that each day contains an earlier, more sacred, and auroral hour than he has yet profaned, has despaired of life, and is pursuing a descending and darkening way... It matters not what the clocks say or the attitudes and labors of men.

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 space.

However, the energetic particles associated with Jovian auroras are very different from those that power the most intense auroral emissions at Earth.»

The satellite, which swoops on an egg - shaped orbit to within 350 kilometers of Earth's surface, detected electrical impulses from electrons coursing upward within charged sheets that shadow the downward flowing auroral electrons.

Four identical spacecraft flew through the upper part of a giant auroral circuit (bottom), revealing the origins of dark bands called black aurorae (top).

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.

While previous UVIS images had shown an intermittent auroral bright spot magnetically linked to the moon Enceladus, the new movie suggests another Saturn moon can influence the light show as well.

The UVIS images, which are also being analyzed by team associate Aikaterini Radioti at the University of Liege, Belgium, also suggest that one way the bright auroral storms may be produced is by the formation of new connections between magnetic field lines.

A strong auroral display, characteristic of a space storm, followed less than three minutes later.

In addition to brilliant auroral displays, the electric telegraph - the Victorian internet — was found to be disrupted during periods with large geomagnetic storms.

The data showed that Steve comprises a fast moving stream of extremely hot particles called a sub auroral ion drift, or SAID.