2024-08-13 09:00:08
Astronomy
Nature
Science

Aurora Borealis: A Spectacular Natural Phenomenon

Image used under license from Shutterstock.com

The captivating phenomenon of the aurora borealis, also known as the Northern Lights, has been lighting up the skies in various parts of the world. The lights are caused by solar activity, such as solar flares and coronal mass ejections, which result in the interaction of charged particles with gases in the Earth's atmosphere.

This interaction emits vibrant colors, ranging from green to pink. The intensity and visibility of the auroras are influenced by factors such as geomagnetic storms and clear night skies.

Recent solar storms have led to stunning displays, illuminating the skies in locations like the northern United States, Cornwall, Australia, New Zealand, and even Germany. Although disruptions to power grids and satellites can occur due to solar winds, the impacts are usually minor.

Enthusiasts are advised to monitor space weather predictions and seek optimal viewing conditions, such as heading north, during the night hours. Timelapse footage and breathtaking photographs capture the awe-inspiring beauty of the aurora borealis.

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12. August 2024 um 22:25

'Severe' G4 geomagnetic storm strikes Earth, making widespread auroras likely

A severe G4 geomagnetic storm triggered by solar eruptions and CMEs hit Earth, causing auroras across the U.S. and Canada. The storm, measured by NOAA, led to satellite malfunctions and power grid irregularities. The storm coincided with the Perseid meteor shower and is linked to the sun's 11-year cycle, with the current solar maximum potentially already begun. In May, an extreme G5-scale storm made the northern lights visible as far south as Florida. The G4 storm degraded high frequency commu..
heise online
13. August 2024 um 02:30

Polar Light Forecasts: When it's Worth Looking North | heise online

Technology
Polar lights are fascinating. But while they are more commonly observed in northern regions like Scandinavia or Alaska, they are rarely seen in Germany, as for example in May this year. From 7 to 11 August, there was a series of solar eruptions and coronal mass ejections (CMEs) that triggered a record-breaking geomagnetic storm of the highest level G5 (more on that below). The result was not only countless beautiful photos in social networks, but also technical challenges. Satellites had to co..
Planetary science news
13. August 2024 um 07:47

Earth hit by 'severe' solar storm

Technology
Environment
Severe solar storm hits Earth, causing level-4 geomagnetic storm. May bring northern lights to lower latitudes and disrupt infrastructure. Storms linked to 11-year solar cycle peak. Similar powerful storms in May 2024 caused auroras across US, Europe, and Australia. NOAA warned of potential effects; astrophysicist Lagadec noted increased auroras.
BBC
13. August 2024 um 07:50

Spectacular Northern lights light up Irish skies

Northern Irish skies dazzled with the Aurora Borealis before weather changed. Photos captured swirling curtains of colourful lights, ranging from green to pink. The lights result from charged particles interacting with gases in the Earth's atmosphere. Oxygen atoms emit green light, while nitrogen atoms produce purple hues. The phenomenon is most intense during solar 'coronal mass ejections'.
CW

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