Gargantuan ‘superflare’ from distant star may have launched one of the strongest solar storms ever seen

Published

2 years ago

May 4, 2023

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Scientists scoping out a star system in the constellation Orion have witnessed one of the most gargantuan and powerful stellar flares ever seen.

Dubbed a “superflare,” the enormous blast of stellar radiation is 10 times more massive than anything ever witnessed erupting from the sun, according to new research published in The Astrophysical Journal (opens in new tab) .

While the mechanism behind these monster flares still isn’t well understood, the new research suggests that superflares originate from stars that are highly magnetically active. These superflares may be accompanied by enormous eruptions of charged particles that could devastate life on any planets in their firing line, the study authors wrote. (Fortunately for us, Earth is not one of those planets.)

In their new research, the astronomers targeted a star system called V1355 Orionis, which is about 400 light-years from Earth and features two stars orbiting each other. These stars belong to a class of stars known to harbor many sunspots — dark, planet-size regions that form as the result of intense electromagnetic activity — and that have been tied to other observed superflares.

In general, stellar flares occur when magnetic-field lines in a star’s atmosphere tangle, snap and reconnect, releasing a powerful gout of radiation that’s visible across the entire electromagnetic spectrum. On the sun, flares may be accompanied by towering loops of plasma, known as prominences, that can rise tens of thousands of miles above the sun’s surface. If this solar plasma launches quickly enough, it can break free of the sun and become a coronal mass ejection (CME) — an enormous blob of high-energy particles that can knock satellites out of orbit and short-circuit power grids on Earth, if our planet happens to be in the blob’s path.

Combining observations from the Transiting Exoplanet Survey Satellite and the Seimei Telescope in Japan, the researchers studied the distant star system in multiple wavelengths of light to capture the most complete picture possible of the superflare’s evolution. —1 million-mile-long plasma plume shoots out of the sun in stunning photo

—Mysterious ‘sparks’ on the sun could help scientists predict solar flares

—Solar storm smashes hole in Earth’s magnetosphere, triggering extremely rare pink auroras

They found that the flare began with one of the most powerful stellar eruptions ever seen — a high-velocity prominence that burst out of one of the stars at more than 2.2 million mph (3.5 million km/h). This blast far exceeded the star’s escape velocity, launching trillions of tons of electrically charged matter outward into space in what may be one of the largest CMEs ever observed, the authors wrote.

It’s not certain how, exactly, such a powerful CME would impact life on any hapless planets that got in the way — but the researchers said the effects would be far more catastrophic than those associated with even the worst CMEs to hit Earth.

Ultimately, this mega-flare’s discovery is less a cautionary tale for our planet than it is a caveat in the search for life on other worlds: Planets around magnetically hyper star systems like V1355 Orionis may not be the best places to look.

Politics

Ukraine presses Russia for 30-day ceasefire as Starmer among leaders in Kyiv for talks

Published

17 mins ago

May 10, 2025

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Ukraine presses Russia for 30-day ceasefire as Starmer among leaders in Kyiv for talks

Sir Keir Starmer has joined other European leaders in Kyiv to press Russia to agree an unconditional 30-day ceasefire.

The prime minister is attending the summit alongside French President Emmanuel Macron, recently-elected German Chancellor Friedrich Merz and Polish Prime Minister Donald Tusk.

It is the first time the leaders of the four countries have travelled to Ukraine at the same time – arriving in the capital by train – with their meeting hosted by President Volodymyr Zelenskyy.

It comes after Donald Trump called for “ideally” a 30-day ceasefire between Kyiv and Moscow, and warned that if any pause in the fighting is not respected “the US and its partners will impose further sanctions”.

Security and defence analyst Michael Clarke told Sky News presenter Samantha Washington the European leaders are “rowing in behind” the US president, who referred to his “European allies” for the first time in this context in a post on his Truth Social platform.

“So this meeting is all about heaping pressure on the Russians to go along with the American proposal,” he said.

“It’s the closest the Europeans and the US have been for about three months on this issue.”

Ukraine’s foreign minister Andrii Sybiha said Ukraine and its allies are ready for a “full, unconditional ceasefire” for at least 30 days starting on Monday.

Ahead of the meeting on Saturday, Sir Keir, Mr Macron, Mr Tusk and Mr Merz released a joint statement.

European leaders show solidarity – but await Trump’s backing

Dominic Waghorn

International affairs editor

@DominicWaghorn

The hope is Russia’s unilateral ceasefire, such as it’s worth, can be extended for a month to give peace a chance.

But ahead of the meeting, Ukrainian sources told Sky News they are still waiting for President Donald Trump to put his full weight behind the idea.

The US leader has said a 30-day ceasefire would be ideal, but has shown no willingness yet for putting pressure on Russian president Vladimir Putin to agree.

The Russians say a ceasefire can only come after a peace deal can be reached.

European allies are still putting their hopes in a negotiated end to the war despite Moscow’s intransigence and President Trump’s apparent one-sided approach favouring Russia.

Ukrainians would prefer to be given enough economic and military support to secure victory.

But in over three years, despite its massive economic superiority to Russia and its access to more advanced military technology, Europe has not found the political will to give Kyiv the means to win.

Until they do, Vladimir Putin may decide it is still worth pursuing this war despite its massive cost in men and materiel on both sides.

“We reiterate our backing for President Trump’s calls for a peace deal and call on Russia to stop obstructing efforts to secure an enduring peace,” they said.

“Alongside the US, we call on Russia to agree a full and unconditional 30-day ceasefire to create the space for talks on a just and lasting peace.”

The leaders said they were “ready to support peace talks as soon as possible”.

But they warned that they would continue to “ratchet up pressure on Russia’s war machine” until Moscow agrees to a lasting ceasefire.

“We are clear the bloodshed must end, Russia must stop its illegal invasion, and Ukraine must be able to prosper as a safe, secure and sovereign nation within its internationally recognised borders for generations to come,” their statement added.

“We will continue to increase our support for Ukraine.”

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The European leaders are set to visit the Maidan, a central square in Ukraine’s capital where flags represent those who died in the war.

They are also expected to host a virtual meeting for other leaders in the “coalition of the willing” to update them on progress towards a peacekeeping force.

Military officers from around 30 countries have been involved in drawing up plans for a coalition, which would provide a peacekeeping force in the event of a ceasefire being agreed between Russia and Ukraine.

This force “would help regenerate Ukraine’s armed forces after any peace deal and strengthen confidence in any future peace”, according to Number 10.

World

Terror group supporters posted on TikTok from site targeted in Indian airstrikes

Published

17 mins ago

May 10, 2025

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Terror group supporters posted on TikTok from site targeted in Indian airstrikes

Social media accounts expressing support for a Pakistan-based terror group linked to al Qaeda appear to have posted recent videos from a Pakistan mosque targeted by Indian airstrikes.

Sky News has found videos posted on TikTok, YouTube and Google that appear to be filmed at the Markaz Taiba Mosque in Muridke. The captions and usernames contain expressions of support for the Lashkar-e-Taiba (LeT) and a group called ‘313’.

Sky News has found and geolocated multiple videos that appear to be filmed in the area where the captions include either or both ‘313’ and LeT.

Some of the videos show men in the streets with guns. Another post captioned a video of children doing martial arts training inside the targeted mosque, “we are little soldiers, and we fight the non-believers”.

The caption uses the hashtag #جہاد313, which translates to ‘313’ jihad.

‘313’ appears to refer to the 313 Brigade, a proscribed terror organisation in Pakistan.

In a TikTok video posted to the Google page for Markaz Taiba Mosque in Muridke, a man can be seen walking along the street with a gun.

The account that posted that video wrote in their description, “Lashkar Taiba, Mujahid Force, ‘313’ and Markaz Taiba Muridke”, self-proclaiming their support for the groups.

India’s retaliatory strikes on Pakistani-adminstered Kashmir and Pakistan on 7 May came after a deadly attack in Indian-administered Kashmir last month.

Gunmen opened fire on tourists, killing 26 people and injuring dozens in a popular holiday spot near Pahalgam, Kashmir, on 22 April.

LeT were accused by India of involvement in the Pahalgam attack through their proxy the Resistance Front, which claimed responsibility for the attack.

LeT, which is designated as a terrorist organisation by the UN Security Council and the UK, focuses on fighting Indian control in Kashmir and is based in the Punjab region of Pakistan.

Pakistan denies allegations of terror camps operating in the country. This region has been in the control of the Punjabi government since 2010. The Punjab government condemned the Indian strikes, and declared a state of emergency across Punjab.

Muskan Sangwan, senior intelligence analyst at TRAC, a terrorism research and analysis consortium, told Sky News: “Brigade 313 is al Qaeda in Pakistan. It’s an umbrella organisation for members of several groups like Taliban, Lashkar-e-Jhangvi, Haqqat ul-Jihad-al-Islami, Jaish-e Muhammad, Lashkar-e-Taiba, and Jundullah.”

Ms Sangwan explained that ‘313’ refers to the number of companions said to have fought with the Prophet Mohammed in the Battle of Badr.

TRAC have seen a recent uptick in TikTok videos and other social media posts that refer to ‘313’.

Many of the accounts are linked to each other.

Ms Sangwan said: “They [the TikTok users] mostly use ‘313’ as a hashtag… trying to push that hashtag to as many people it can reach on social media.”

Sky News sought to verify the location by comparing before and after videos from the strike location, and using the video released by the Indian army conducting the strike.

One video showing damage at the strike location was posted by a user with 313 in their TikTok username.

Below is satellite imagery that shows the destruction of the site.

In one TikTok, the video is captioned “bring your arms and ammunition and go to war”. The text on the screen of the TikTok is ‘313’ and he is carrying a gun.

The group are comfortable with having an online presence. On the Google tag for Markaz Taiba Mosque in Muridke, men pose for a group photo. Almost all the people in the photo have used ‘313’ on TikTok.

Ms Sangwan explained: “With these people from Muridke, pushing this propaganda on social media would generate a lot of significance in terms of recruitment and in terms of gaining support from local people and from other people.”

Sky News’ Asia correspondent Cordelia Lynch has reported on the ground in Muridke.

India says it struck Markaz Taiba, a site in Muridke about 15 miles (25km) from the border, which has long been claimed to be a terrorist training site associated with LeT.

MEMRI, a US-based research group that monitors terrorist threats, told Sky News: “It has been known for decades that Lashkar-e-Taiba has its headquarters in Muridke.”

Sky News contacted the Pakistan Ministry of Defence for comment. Khawaja Asif, Pakistan’s defence minister, told Sky News: “This appears to be a random video with background music added later – consistent with how TikTok trends often function. If this is to be considered credible evidence, we could produce millions of similar clips ourselves.”

Mr Asif also said that any suggestion that the mosque was used as a base by terrorists was a “completely false, social media made up hoax”.

On 7 May, after the strikes in Pakistan, the Indian subcontinent branch of al Qaeda issued a statement condemning India’s actions and encouraging its supporters to wage jihad against India.

The Data and Forensics team is a multi-skilled unit dedicated to providing transparent journalism from Sky News. We gather, analyse and visualise data to tell data-driven stories. We combine traditional reporting skills with advanced analysis of satellite images, social media and other open source information. Through multimedia storytelling we aim to better explain the world while also showing how our journalism is done.