Colorful Aurora lights over Australia, Norway, USA made sky beautiful as Aurora lights were witnessed at Aurora Borealis and Aurora Australis, this Sunday.
The Earth’s greatest light show occurs when breathtaking dancing shimmer of the Aurora Borealis and Aurora Australis dazzles the sky.
These lights are called northern lights (Aurora Borealis) and southern lights (Aurora Australis) sparkles over the Arctic and Antarctica respectively.
In recent months, photographers and night sky watchers have been capturing the colorful display further south than usual — places like the state of Colorado, the southeast of England and New South Wales.
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On April 21, a new solar event occurred and it caused colorful auroras on Sunday night and Monday night.
Auroras are usually visible in Norway, Sweden, Australia, New Zealand and may be visible in northern California, USA.
1. How Auroras occur ?
Auroras usually occur when the charged particles from the sun interacts with the Earth’s geomagnetic field. On April 21, a mega event happened at Sun that released a solar storm of charged particles. Such solar storms are called called a coronal mass ejection.
The charged particles from the sun may lead to geomagnetic storms, which are a temporary disturbance of the Earth’s magnetosphere.
Auroras are caused by activity on the sun that is generally a type of solar storm. Such storms emit electrified gas and particles into space.
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When these electrified particles reach magnetic field lines at the north and south poles, which usually takes around three days, they enter into Earth’s atmosphere.
2. Why Auroras on April 23 were so bright ?
A severe geomagnetic storm was generated by a coronal mass ejection on April 21 and this geomagnetic storm caused the colorful and majestic aurora lights.
Source has revelated that the storm caused by the sun traveled at almost 2 million miles per hour toward Earth on April 23.
Aurora Borealis and Aurora Australis caused colorful Aurora lights over Australia, Norway, USA.
