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Two solar eruptions merge into ‘cannibal blast’ that could spark northern lights TODAY – how to watch it

TWO solar eruptions merged together to form a superflare before striking Earth on Wednesday, according to space weather trackers.

The pair formed what’s called a “cannibal coronal mass ejection” and careened toward us at 1.8MILLION mph (2.9m kph).

GettyA ‘cannibal’ coronal mass ejection struck Earth on Wednesday, triggering showings of the Northern Lights[/caption]

NasaAn image of one of the 17 solar flares to have erupted from the Sun this week[/caption]

They rattled our planet’s magnetic field on Wednesday, triggering showings of the Northern Lights that are due to continue today.

According to U.S. astronomer Dr Tony Phillips, auroras could be visible as far south as New York and North Dakota.

In the UK, skygazers in Scotland may catch a rare glimpse of the event, which appears when charged particles hit the atmosphere.

“A Cannibal CME hit Earth’s magnetic field on March 31st (0210 UT),” Dr Phillips wrote on his website spaceweather.com.

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“First contact sparked a G1-class geomagnetic storm with a chance of stronger storms later today as Earth passes through the CME’s magnetized wake.”

The streams of hot material are the result of a frenzy of solar storms that erupted from the Sun this week.

A total of 17 were captured by Nasa observatories exploding from the star on Monday and at least two were fired in Earth’s direction.

When CMEs reach Earth, they trigger what is known as a geomagnetic storm – a largely harmless disturbance of the magnetic field.


On its space weather alert system, the National Oceanic and Atmospheric Administration warned of possible effects on Earth.

It said that geomagnetic storms of G3 (strong) and G2 (moderate) ratings were expected on Thursday and Friday respectively.

In addition to triggering auroras, G3 storms can disrupt satellites and technology on Earth.

These include intermittent problems with GPS, problems with high-frequency radio signals, and power system bugs, the NOAA said.

It may sound ominous, but any issues caused by the storm will be minor and they are extremely unlikely to affect everyday life.

Data on the CMEs has been captured by Nasa’s Solar Dynamics Observatory and Solar and Heliospheric Observatory.

Dr Phillips highlighted that the storms should lead to showings of the Northern Lights at unusually low latitudes.

Writing on spaceweather.com, which tracks the sun’s activity, he said that Americans should see them after nightfall on Wednesday.

For Europeans, the hours before dawn on March 31 are favoured.

“When chasing auroras, dark skies are essential; go to the countryside,” Dr Phillips wrote.

“Urban glare can overwhelm auroras even during a strong geomagnetic storm.”

Solar storms are caused by CMEs and solar flares, which are huge expulsions of hot material called plasma from the Sun’s outer layer.

They can lead to the appearance of colourful auroras by energising particles in our planet’s atmosphere

Each solar storm is graded by severity on a scale of one to five, with a G1 described as “minor” and a G5 as “extreme”.

At the upper end of the scale, storms wreak havoc on our planet’s magnetic field, which can disrupt power grids and communications networks.

“Harmful radiation from a flare cannot pass through Earth’s atmosphere to physically affect humans on the ground,” Nasa says.

“However – when intense enough – they can disturb the atmosphere in the layer where GPS and communications signals travel.”

Thankfully, this week’s geomagnetic storms are unlikely to significantly impact life or technology on Earth.

In the past, larger solar flares have wreaked havoc on our planet.

In 1989, a strong solar eruption shot so many electrically charged particles at Earth that the Canadian Province of Quebec lost power for nine hours.

As well as causing issues for our tech, they can cause harm to astronauts working on the International Space Station, either through radiation exposure or by interfering with mission control communications.

The Earth’s magnetic field helps to protect us from the more extreme consequences of solar flares.

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The sun is currently at the start of a new 11-year solar cycle, which usually sees eruptions and flares grow more intense and extreme.

These events are expected to peak around 2025 and it’s hoped Nasa’s Solar Orbiter spacecraft will observe them all as it aims to fly within 26 million miles of the sun.

Getty – ContributorSolar storms can trigger showings of the Northern Lights[/caption]

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