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Auroras - Science@NASA
2025年2月4日 · Auroras are vibrant light displays created when energetic particles from the Sun interact with Earth’s magnetic field and atmosphere. These events, also seen on other planets …
Aurora - Wikipedia
An aurora [a] (pl. aurorae or auroras), [b] also commonly known as the northern lights (aurora borealis) or southern lights (aurora australis), [c] is a natural light display in Earth's sky, …
The Science Behind the Aurora Borealis
2018年9月6日 · The Earth has a magnetic field surrounding it because of the iron-nickel core at the center of our planet. Understanding this magnet field is essential to understanding the …
The Northern Lights, the Magnetic Field and Life
2018年2月22日 · The aurora typically forms 60 to 400 miles above Earth’s surface. All this is possible because of our magnetic field, which scientists theorize was created and is sustained …
NASA’s THEMIS Sees Auroras Move to the Rhythm of Earth’s Magnetic Field
2016年9月12日 · In this animation, the THEMIS mission observes auroral brightening – a result of a substorm, in which solar particles and energy disturb Earth’s magnetic field. The THEMIS …
Northern lights (aurora borealis): what they are and how to see …
2024年11月21日 · The northern lights, also known as the aurora borealis, are mesmerizing ribbons of light that have fascinated humanity for thousands of years.
What are the northern lights? The aurora borealis explained
The northern lights, also called the aurora borealis, have transfixed humans for thousands of years. Discover the best time and place to see this natural phenomenon as well as the science …
What Is an Aurora? | NASA Space Place – NASA Science for Kids
2025年1月14日 · Frequently there are beautiful light shows in the sky. These lights are called auroras. If you're near the North Pole, it is called an aurora borealis or northern lights. If you're …
Scientists Have Proved What Causes The Northern Lights : NPR
2021年6月10日 · An article suggests the natural light show starts when disturbances on the sun pull on Earth's magnetic field, creating cosmic waves that launch electrons into the …
What causes an aurora, the northern or southern lights? - EarthSky
2022年9月8日 · The aurora often appears as curtains of lights, but they can also be arcs or spirals, following lines of force in Earth’s magnetic field. Most are green in color, but …
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