Aurora

Q.  Auroras are a result of interaction of
- Published on 29 Mar 16

a. Earth’s magnetic field and solar eruptions
b. Earth’s gravitational field and solar eruptions
c. Sunrays and earth’s atmosphere causing refraction
d. Solar Eruptions and Earth’s ozone layer

ANSWER: Earth’s magnetic field and solar eruptions
 
  • Earth is often struck by solar eruptions, which comprise energetic particles that are hurled away from the Sun into space, where those directed towards the Earth encounter the magnetic field around our planet.
  • When these eruptions interact with the magnetic field, they cause beautiful auroras.
  • The lights are seen around the magnetic poles of the northern (aurora borealis) and southern hemispheres (aurora australis).

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