Question

Phenomenon in which glow is observed in sky at night called Aurora Australia is also classified as _______________.

• A. Southern lights
• B. Northern lights
• C. Western light
• D. Eastern light

Answer 1

Answer: (A)

Southern lights

• Aurora Australis is also known as southern lights or southern polar lights.
  
• This is seen in southern hemisphere and best place to see is Antarctica.
  
• Aurora Australis and Borealis are counterparts of each other formed in southern and northern hemispheres respectively.
  
• Aurora is formed when charged particles from sun penetrate during a solar flare into earth’s magnetic field and collide with molecules in our atmosphere. These collisions result in countless little bursts of light.
  
• When charged particles collide with oxygen, red and green aurora is produced while nitrogen produces pink and purple colours.