Astronomers Discover The Most Powerful Aurora Ever Recorded and It’s a Million Times Brighter Than the Northern Lights

A solar storm on Tuesday contributed to a display of the aurora borealis that reached into unexpected latitudes of both the northern and southern hemispheres….and a new discovery was made…
The most powerful aurora ever recorded has been spotted above a failed star 18 light years away, solving a longstanding astronomical mystery.

The aurora seen at Narva-Jõesuu in north-eastern Estonia. Photograph: Xinhua News Agency/Rex

The sky above a failed star in a distant constellation shimmers with a beautiful green and yellow aurora one million times brighter than the northern lights. The spectacular light show is the first confirmed aurora on a body outside the solar system, and the most powerful ever recorded.

Astronomers detected the celestial display when they trained some of the world’s most sensitive telescopes on a brown dwarf that lies 18 light years away in the constellation of Lyra. The aurora’s colourful streaks wave green and yellow when oxygen and sodium are battered by electrons in the brown dwarf’s atmosphere. The brightest light the telescopes picked up was from hydrogen, which glow redder than the eye can see.

“If you could stand there and look upwards, the aurora would appear one million times brighter than the northern lights,” said Stuart Littlefair, an astrophysicist at the University of Sheffield, who took part in the study.

A view of the northern lights as seen from Bamburgh beach Northumberland, England. As stunning as the light show is on Earth, the one observed in the Lyra constellation is a million times brighter. Photograph: Josh Maidwell/Barcroft Media.

The scientists’ observations solve a longstanding mystery in astronomy over why brown dwarves shine brightly and then dim again on a regular basis. The object they studied rotates on its axis once every two hours and flashes brightly in perfect synchrony. “We knew there was a spot on the surface, and as it appeared and disappeared, the brightness changed,” said Littlefair. “The question was: what is that spot?”


The northern lights over Derwentwater near Keswick in the Lake District. Photograph: Owen Humphreys/PA

Researchers observed the brown dwarf with the National Radio AstronomyObservatory in New Mexico and the Hale telescope in San Diego. Whenever the brown dwarf lit up, the instruments picked up optical and radio signals that are emitted by aurora wherever they happen.


Aurora borealis seen over Donnelly Creek, Alaska. Photograph: ddp USA/Rex

On Earth, the northern lights are driven by electrons that stream out of the sun into the planet’s magnetic field, which drives them towards the magnetic north pole, where they slam into atoms in the atmosphere. Similar displays are seen on other planets, and are particularly intense on Jupiter, where auroras driven by gases coming from its moon, Io, gleams with ultraviolet light.


The sky in the arctic region of Lapland, Finland.Photograph: Marko Korosec/Barcroft USA

Writing in the journal Nature , the international research team describe how they observed the aurora on a brown dwarf known as LSR J1835+3259. The object is the same size as Jupiter, but a staggering 80 times more massive. Despite its powerful aurora, the brown dwarf is 150,000 times too faint to be seen with the naked eye.

The spectacular aurorae seen in the skies above the brown dwarf LSR J1835+3259. Illustration: Chuck Carter and Gregg Hallinan/Caltech

A brown dwarf is a giant ball of hot gas that is part way between a planet and a star. Stars are dense enough to generate their own intense heat by fusing hydrogen into helium. But brown dwarfs fall short of achieving this internal heat, and so cool and darken from the moment they are born. For this reason, they are often referred to as failed stars.


More from Lapland, Finland.Photograph: Marko Korosec/Barcroft USA

In spotting the aurora, scientists have notched up another feature that makes brown dwarves more like planets than stars. “They have cool atmospheres with clouds in, just like Jupiter, and now we see they have auroras, too,” says Littlefield. “It’s more evidence we should think of them as scaled-up planets more than scaled-down stars.”

Antoaneta Antonova, a senior author on the study at the University of Sofia in Bulgaria, said the discovery was the culmination of a decade of work into the nature of brown dwarves. She now plans to search for auroras on other objects outside solar system.


Narva-Jõesuu in north-eastern Estonia. Photograph: Sergei Stepanov/Xinhua Press/Corbis

Jonathan Nichols, who studies the auroras of Jupiter and Saturn at Leicester University, said that the natural light displays could help astronomers find new planets beyond Earth. Planet hunters have spotted thousands of worlds circling faraway stars, but most are larger than Jupiter, and orbit very close to their parent stars.


A shock of green over a forest in Murmansk, Russia. Photograph: Fedoseyev Lev/ITAR-TASS Photo/Corbis

“If you’re interested in discovering new planets, there is a gap in the types we can detect,” he said. “We are not very good at finding planets far out from their stars, but one way to do that might be to look for their auroras. This brown dwarf observation is an important first step towards that.”


Under the northern lights, Norwegian rookie Thomas Waerner prepares to leave Huslia, Alaska, for Koyukuk in the Iditarod Trail sled dog race Photograph: Loren Holmes/AP

“It’s more evidence we should think of them as scaled-up planets more than scaled-down stars.”


The northern lights shine behind a barn and silos in Pine Bush, New York. Photograph: Tom Bushey/ZUMA Press/Corbis


Derwentwater near Keswick in the Lake District. Photograph: Owen Humphreys/PA

Lights observed in the night sky on a country road near Lietzen in Maerkisch-Oderland, Germany. Photograph: Patrick Pleul/EPA

Lights observed in the night sky on a country road near Lietzen in Maerkisch-Oderland, Germany. Photograph: Patrick Pleul/EPA.

Residents of Allonby, Cumbria enjoy a dramatic explosion of colour in the skies. Photograph: Paul Kingston/NNP

Source: The Guardian 

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And God said, Let there be lights in the firmament of the heaven to divide the day from the night; and let them be for signs, and for seasons, and for days, and years:  – Genesis 1:14 (KJV).

And I will shew wonders in heaven above, and signs in the earth beneath; blood, and fire, and vapour of smoke -Acts 2:19 (KJV).

He telleth the number of the stars; he calleth them all by their names -Psalm 147:4 (KJV).

For the invisible things of him from the creation of the world are clearly seen, being understood by the things that are made,even his eternal power and Godhead; so that they are without excuse – Romans 1:20 (KJV).

Seek him that maketh the seven stars and Orion, and turneth the shadow of death into the morning, and maketh the day dark with night: that calleth for the waters of the sea, and poureth them out upon the face of the earth: The LORD is his name:- Amos 5:8 (KJV).

Lift up your eyes on high, and behold who hath created these things, that bringeth out their host by number: he calleth them all by names by the greatness of his might, for that he is strong in power; not one faileth – Isaiah 40:26 (KJV).

The heavens declare the glory of God; and the firmament sheweth his handywork -Psalm 19:1 (KJV).

Which commandeth the sun, and it riseth not; and sealeth up the stars. Which alone spreadeth out the heavens, and treadeth upon the waves of the sea. Which maketh Arcturus, Orion, and Pleiades, and the chambers of the south. Which doeth great things past finding out; yea, and wonders without number – Job 9:9-10 (KJV).

…”Can you bind the chains of the Pleiades, Or loose the cords of Orion?” Can you lead forth a constellation in its season, And guide the Bear with her satellites? “Do you know the ordinances of the heavens, Or fix their rule over the earth?…- Job 38:31-33

There is one glory of the sun, and another glory of the moon, and another glory of the stars: for one star differeth from another star in glory. -1 Corinthians 15:41 (KJV). 


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