Q. With reference to Solar flares/storms, consider the following statements:
1.Solar storms are magnetic plasma ejected at great speed from the solar surface.
2.All solar flares reach Earth, but only a few impacts space weather in near-Earth space and the upper atmosphere.
Which of the statements given above is/are correct?
Answer: A
Notes:
Statement 1 is correct: Solar storms are magnetic plasma ejected at great speed from the solar surface. They occur during the release of magnetic energy associated with sunspots (‘dark’ regions on the Sun that are cooler than the surrounding photosphere), and can last for a few minutes or hours.
Statement 2 is incorrect: Not all solar flares reach Earth, but solar flares/storms, solar energetic particles (SEPs), high-speed solar winds, and coronal mass ejections (CMEs) that come close can impact space weather in near-Earth space and the upper atmosphere.
Source : Indian Express
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