Celestial canvas: 5 breathtaking NASA pics of auroras across Earth's horizon
Here are some fascinating facts about auroras.
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Auroras are natural light displays in the sky, typically seen in polar regions, caused by charged particles from the Sun interacting with Earth’s atmosphere.
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Auroras occur when solar wind, made up of charged particles from the Sun, collides with Earth’s magnetic field and atmosphere.
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Auroras are known as the Northern Lights or Aurora Borealis in the northern hemisphere and the Southern Lights or Aurora Australis in the southern hemisphere.
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The best time to view auroras is during the winter months when nights are longest and skies are darkest.
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The intensity of auroras increases during periods of high solar activity, such as solar flares and coronal mass ejections.
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NASA uses satellites and space stations to observe and study auroras, providing valuable data about Earth’s space weather and magnetic field.
Photo Credits: NASA
Viewing auroras from space offers a unique perspective, showing how they spread across the polar regions and interact with Earth’s magnetic field.
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The colours of auroras are usually green, red, and purple depending on the type of gas in the atmosphere and the altitude where the particles collide.
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Earth's magnetic field plays a key role in creating auroras, while also protecting the planet from harmful solar radiation.
Photo Credits: Pexels
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