What causes an aurora
What causes the Northern Lights? Aurora borealis explained
The lights we see in the night sky are in actual fact caused by activity on the surface of the Sun. Solar storms on our star's surface give out huge clouds of ...
How Auroras Form - Space Technology 5 - NASA
These natural light shows are caused by magnetic storms that have been triggered by solar activity, such as solar flares (explosions on the Sun) or coronal ...
What Is an Aurora? | NASA Space Place – NASA Science for Kids
What makes this happen? Even though auroras are best seen at night, they are actually caused by the Sun. Cartoon of the Sun saying Yep, it's all ...
Northern lights (aurora borealis) — what they are and how to see them
The northern lights are created when energized particles from the sun slam into Earth's upper atmosphere at speeds of up to 45 million mph (72 million kph).
The aurora is caused by the interaction of high- energy particles (usually ... The Cause of the Aurora. Figure 4.—Fast electrons from space travel along.
Can someone explain Auroras? : r/Astronomy - Reddit
I understand that Auroras are caused by solar winds being deflected into the polar regions due to earths magnetic field and interacting with the ...
What causes an aurora, the northern or southern lights? - EarthSky
When charged particles from the sun strike atoms in Earth's atmosphere, they cause electrons in the atoms to move to a higher-energy state.
Auroras are the result of disturbances in the Earth's magnetosphere caused by the solar wind. Major disturbances result from enhancements in the speed of the ...
What are the northern lights? | Canadian Space Agency
Auroras occur when these charged particles launched along Earth's magnetic field collide with gases in Earth's upper atmosphere. Those ...
How do the Northern Lights appear? | The Aurora Zone
The Aurora Borealis originates some 93,000,000 miles away on the surface of the Sun with a massive explosion of electromagnetic matter called a Coronal Mass ...
Auroras: The Northern and Southern Lights
Auroras occur within one of Earth's upper atmosphere layers, the thermosphere. Solar particles trapped here interact with different types of gas molecules, ...
What Causes the Northern and Southern Lights? | Britannica
When the Sun is more active and larger amounts of plasma are erupting from the Sun's surface, more particles reach Earth's atmosphere, and the auroras ...
Science behind the formation of auroras - YouTube
These stunning lights dazzle the upper Northern Hemisphere and the lower Southern Hemisphere near the poles. They're called auroras and they ...
Bands, rays and arcs of green and purple. This is what causes the ...
The aurora is a polar light show caused by the interaction of charged particles flowing from the Sun — known as the solar wind — with Earth's ...
What causes the colours of the aurora? - Compound Interest
High-speed collisions transfer extra energy to air atoms and molecules, a process called excitation. These excited atoms and molecules don't ...
What causes the aurora on Earth? - Quora
The aurora on Earth is caused by charged particles from the Sun, mainly electrons and protons, colliding with gases in Earth's atmosphere. These ...
The Science Behind the Northern Lights | Star Gazers - YouTube
The northern lights, also known as aurora borealis, are one of Earth's most breathtaking natural wonders.
What causes the different colours of the aurora? An expert explains ...
The auroras are caused by charged subatomic particles (mostly electrons) smashing into Earth's atmosphere. These are emitted from the Sun all the time.
What Causes The Northern Lights? Scientists Finally Know For Sure
That creates cosmic undulations known as Alfvén waves that launch electrons at high speeds into Earth's atmosphere where they create the aurora.
Aurora - National Geographic Education
The energy released during these collisions causes a colorful glowing halo around the poles—an aurora. Most auroras happen about 97-1,000 ...