Tag: Solar flares

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What is the solar cycle and how does solar activity vary during it? Explain the geographical significance of enhanced solar activity for the Earth.

Topic: Salient features of world’s physical geography Q2. What is the solar cycle and how does solar activity vary during it? Explain the geographical significance of enhanced solar activity for the Earth. (10 M) Difficulty Level: Medium Reference: IE Why the question Sun–Earth interactions with the contemporary relevance of increased solar activity during Solar Cycle …

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What are solar flares and coronal mass ejections (CMEs)? Explain how they can cause radio blackouts on Earth.

Topic: Awareness in the fields of IT, Space. Q5. What are solar flares and coronal mass ejections (CMEs)? Explain how they can cause radio blackouts on Earth. (10 M) Difficulty Level: Medium Reference: NIE Why the question With ISRO issuing warnings on strong radio blackout risks during intense solar storms, space weather has become a …

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Solar Flares

Source: NASA Subject: Science and Technology Context: NASA reported a strong X1.9-class solar flare erupting from the Sun causing a major radio blackout over Australia and raising concerns about further space-weather disturbances. The flare coincides with the emergence of a massive sunspot (AR 4294–96) over 10 times the size of Earth. About Solar Flares: What …

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Scientists unravell the science behind jets of plasma occurring all over Sun’s chromosphere:

GS Paper 3: Topics Covered: Awareness in space.   Context: Scientists have unravelled the science behind the jets of plasma – the fourth state of matter consisting of electrically charged particles that occur just about everywhere in the sun’s chromosphere, which is the atmospheric layer just above the Sun’s visible surface.   What are the …

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